diff --git a/src/calibre/gui2/preferences/look_feel_tabs/main_interface.ui b/src/calibre/gui2/preferences/look_feel_tabs/main_interface.ui
index 97b0b33039..365e6af158 100644
--- a/src/calibre/gui2/preferences/look_feel_tabs/main_interface.ui
+++ b/src/calibre/gui2/preferences/look_feel_tabs/main_interface.ui
@@ -11,67 +11,6 @@
    </rect>
   </property>
   <layout class="QGridLayout" name="gridLayout_main_interface">
-   <item row="0" column="0">
-    <widget class="QLabel" name="label_widget_style">
-     <property name="text">
-      <string>User interface style (&amp;needs restart):</string>
-     </property>
-     <property name="buddy">
-      <cstring>opt_ui_style</cstring>
-     </property>
-    </widget>
-   </item>
-   <item row="0" column="1">
-    <widget class="QComboBox" name="opt_ui_style"/>
-   </item>
-   <item row="0" column="2">
-    <layout class="QHBoxLayout">
-     <item>
-      <spacer name="horizontalSpacer_3">
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>20</width>
-         <height>1</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-    </layout>
-   </item>
-   <item row="1" column="0">
-    <widget class="QLabel" name="icon_theme">
-     <property name="text">
-      <string/>
-     </property>
-    </widget>
-   </item>
-   <item row="1" column="1">
-    <widget class="QPushButton" name="icon_theme_button">
-     <property name="text">
-      <string>Change &amp;icon theme</string>
-     </property>
-    </widget>
-   </item>
-   <item row="2" column="0">
-    <widget class="QLabel" name="opt_color_palette_label">
-     <property name="text">
-      <string>User interface &amp;colors:</string>
-     </property>
-     <property name="buddy">
-      <cstring>button_adjust_colors</cstring>
-     </property>
-    </widget>
-   </item>
-   <item row="2" column="1">
-    <widget class="QPushButton" name="button_adjust_colors">
-     <property name="text">
-      <string>Adjust &amp;colors</string>
-     </property>
-    </widget>
-   </item>
    <item row="3" column="0">
     <widget class="QLabel" name="label_17">
      <property name="text">
@@ -82,19 +21,17 @@
      </property>
     </widget>
    </item>
-   <item row="3" column="1">
-    <widget class="QComboBox" name="opt_gui_layout">
-     <property name="maximumSize">
-      <size>
-       <width>250</width>
-       <height>16777215</height>
-      </size>
+   <item row="8" column="0">
+    <widget class="QCheckBox" name="opt_book_list_tooltips">
+     <property name="text">
+      <string>Show &amp;tooltips in the book list</string>
      </property>
-     <property name="sizeAdjustPolicy">
-      <enum>QComboBox::AdjustToMinimumContentsLengthWithIcon</enum>
-     </property>
-     <property name="minimumContentsLength">
-      <number>20</number>
+    </widget>
+   </item>
+   <item row="2" column="1">
+    <widget class="QPushButton" name="button_adjust_colors">
+     <property name="text">
+      <string>Adjust &amp;colors</string>
      </property>
     </widget>
    </item>
@@ -108,85 +45,13 @@
      </property>
     </widget>
    </item>
-   <item row="4" column="1">
-    <widget class="QComboBox" name="opt_language">
-     <property name="sizeAdjustPolicy">
-      <enum>QComboBox::AdjustToMinimumContentsLengthWithIcon</enum>
-     </property>
-     <property name="minimumContentsLength">
-      <number>20</number>
-     </property>
-    </widget>
-   </item>
-   <item row="5" column="0">
-    <widget class="QLabel" name="label_6">
+   <item row="0" column="0">
+    <widget class="QLabel" name="label_widget_style">
      <property name="text">
-      <string>&amp;Round the corners of covers:</string>
+      <string>User interface style (&amp;needs restart):</string>
      </property>
      <property name="buddy">
-      <cstring>opt_cover_corner_radius</cstring>
-     </property>
-    </widget>
-   </item>
-   <item row="5" column="1">
-    <layout class="QHBoxLayout" name="horizontalLayout_3">
-     <item>
-      <widget class="QSpinBox" name="opt_cover_corner_radius">
-       <property name="toolTip">
-        <string>Round the corners of covers in many places they are displayed such as the Cover grid, Book details panel, etc. Adjust the amount of rounding with this setting. A value of between 5 and 10 looks good with most covers sizes. Zero disables rounding and is the default.</string>
-       </property>
-       <property name="specialValueText">
-        <string>no rounding</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QComboBox" name="opt_cover_corner_radius_unit">
-       <property name="toolTip">
-        <string>The unit for the cover corner rounding. Either pixel values or as a percentage of the cover size.</string>
-       </property>
-      </widget>
-     </item>
-    </layout>
-   </item>
-   <item row="6" column="0">
-    <widget class="QCheckBox" name="opt_systray_icon">
-     <property name="text">
-      <string>Enable s&amp;ystem tray icon (needs restart)</string>
-     </property>
-    </widget>
-   </item>
-   <item row="6" column="1">
-    <widget class="QCheckBox" name="opt_disable_animations">
-     <property name="toolTip">
-      <string>Disable all animations. Useful if you have a slow/old computer.</string>
-     </property>
-     <property name="text">
-      <string>Disable &amp;animations</string>
-     </property>
-    </widget>
-   </item>
-   <item row="7" column="0">
-    <widget class="QCheckBox" name="opt_disable_tray_notification">
-     <property name="toolTip">
-      <string>Disable popup notifications when calibre completes jobs such a conversion, sending to device etc. The notifications are sent via the operating system notification facility, if available.</string>
-     </property>
-     <property name="text">
-      <string>Disable n&amp;otifications on job completion</string>
-     </property>
-    </widget>
-   </item>
-   <item row="7" column="1">
-    <widget class="QCheckBox" name="opt_show_splash_screen">
-     <property name="text">
-      <string>Show the &amp;splash screen at startup</string>
-     </property>
-    </widget>
-   </item>
-   <item row="8" column="0">
-    <widget class="QCheckBox" name="opt_book_list_tooltips">
-     <property name="text">
-      <string>Show &amp;tooltips in the book list</string>
+      <cstring>opt_ui_style</cstring>
      </property>
     </widget>
    </item>
@@ -211,10 +76,70 @@
      </item>
     </layout>
    </item>
-   <item row="9" column="1">
-    <widget class="QPushButton" name="change_font_button">
+   <item row="13" column="0">
+    <widget class="QCheckBox" name="opt_booklist_grid">
      <property name="text">
-      <string>Change &amp;font (needs restart)</string>
+      <string>Draw a &amp;grid in the book list</string>
+     </property>
+    </widget>
+   </item>
+   <item row="15" column="0">
+    <spacer name="verticalSpacer_3">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item row="7" column="0">
+    <widget class="QCheckBox" name="opt_disable_tray_notification">
+     <property name="toolTip">
+      <string>Disable popup notifications when calibre completes jobs such a conversion, sending to device etc. The notifications are sent via the operating system notification facility, if available.</string>
+     </property>
+     <property name="text">
+      <string>Disable n&amp;otifications on job completion</string>
+     </property>
+    </widget>
+   </item>
+   <item row="12" column="0">
+    <widget class="QCheckBox" name="opt_row_numbers_in_book_list">
+     <property name="text">
+      <string>Show &amp;row numbers in the book list</string>
+     </property>
+    </widget>
+   </item>
+   <item row="4" column="1">
+    <widget class="QComboBox" name="opt_language">
+     <property name="sizeAdjustPolicy">
+      <enum>QComboBox::AdjustToMinimumContentsLengthWithIcon</enum>
+     </property>
+     <property name="minimumContentsLength">
+      <number>20</number>
+     </property>
+    </widget>
+   </item>
+   <item row="11" column="0">
+    <widget class="QLabel" name="label_4">
+     <property name="text">
+      <string>E&amp;xtra spacing to add between rows in the book list (can be negative):</string>
+     </property>
+     <property name="buddy">
+      <cstring>opt_book_list_extra_row_spacing</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="5" column="0">
+    <widget class="QLabel" name="label_6">
+     <property name="text">
+      <string>&amp;Round the corners of covers:</string>
+     </property>
+     <property name="buddy">
+      <cstring>opt_cover_corner_radius</cstring>
      </property>
     </widget>
    </item>
@@ -273,6 +198,104 @@
      </layout>
     </widget>
    </item>
+   <item row="6" column="0">
+    <widget class="QCheckBox" name="opt_systray_icon">
+     <property name="text">
+      <string>Enable s&amp;ystem tray icon (needs restart)</string>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QComboBox" name="opt_ui_style"/>
+   </item>
+   <item row="7" column="1">
+    <widget class="QCheckBox" name="opt_show_splash_screen">
+     <property name="text">
+      <string>Show the &amp;splash screen at startup</string>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="0">
+    <widget class="QLabel" name="opt_color_palette_label">
+     <property name="text">
+      <string>User interface &amp;colors:</string>
+     </property>
+     <property name="buddy">
+      <cstring>button_adjust_colors</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="5" column="1">
+    <layout class="QHBoxLayout" name="horizontalLayout_3">
+     <item>
+      <widget class="QSpinBox" name="opt_cover_corner_radius">
+       <property name="toolTip">
+        <string>Round the corners of covers in many places they are displayed such as the Cover grid, Book details panel, etc. Adjust the amount of rounding with this setting. A value of between 5 and 10 looks good with most covers sizes. Zero disables rounding and is the default.</string>
+       </property>
+       <property name="specialValueText">
+        <string>no rounding</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QComboBox" name="opt_cover_corner_radius_unit">
+       <property name="toolTip">
+        <string>The unit for the cover corner rounding. Either pixel values or as a percentage of the cover size.</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item row="6" column="1">
+    <widget class="QCheckBox" name="opt_disable_animations">
+     <property name="toolTip">
+      <string>Disable all animations. Useful if you have a slow/old computer.</string>
+     </property>
+     <property name="text">
+      <string>Disable &amp;animations</string>
+     </property>
+    </widget>
+   </item>
+   <item row="14" column="0">
+    <widget class="QCheckBox" name="opt_dnd_merge">
+     <property name="text">
+      <string>Allow using &amp;drag and drop to merge books</string>
+     </property>
+    </widget>
+   </item>
+   <item row="11" column="1">
+    <widget class="QSpinBox" name="opt_book_list_extra_row_spacing">
+     <property name="suffix">
+      <string> px</string>
+     </property>
+     <property name="minimum">
+      <number>-20</number>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1">
+    <widget class="QPushButton" name="icon_theme_button">
+     <property name="text">
+      <string>Change &amp;icon theme</string>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="1">
+    <widget class="QComboBox" name="opt_gui_layout">
+     <property name="maximumSize">
+      <size>
+       <width>250</width>
+       <height>16777215</height>
+      </size>
+     </property>
+     <property name="sizeAdjustPolicy">
+      <enum>QComboBox::AdjustToMinimumContentsLengthWithIcon</enum>
+     </property>
+     <property name="minimumContentsLength">
+      <number>20</number>
+     </property>
+    </widget>
+   </item>
    <item row="10" column="1">
     <widget class="QGroupBox" name="groupBox">
      <property name="title">
@@ -315,64 +338,24 @@
      </layout>
     </widget>
    </item>
-   <item row="11" column="0">
-    <widget class="QLabel" name="label_4">
+   <item row="9" column="1">
+    <widget class="QPushButton" name="change_font_button">
      <property name="text">
-      <string>E&amp;xtra spacing to add between rows in the book list (can be negative):</string>
-     </property>
-     <property name="buddy">
-      <cstring>opt_book_list_extra_row_spacing</cstring>
+      <string>Change &amp;font (needs restart)</string>
      </property>
     </widget>
    </item>
-   <item row="11" column="1">
-    <widget class="QSpinBox" name="opt_book_list_extra_row_spacing">
-     <property name="suffix">
-      <string> px</string>
-     </property>
-     <property name="minimum">
-      <number>-20</number>
-     </property>
-    </widget>
-   </item>
-   <item row="12" column="0">
-    <widget class="QCheckBox" name="opt_row_numbers_in_book_list">
+   <item row="1" column="0">
+    <widget class="QLabel" name="icon_theme">
      <property name="text">
-      <string>Show &amp;row numbers in the book list</string>
+      <string/>
      </property>
     </widget>
    </item>
-   <item row="13" column="0">
-    <widget class="QCheckBox" name="opt_booklist_grid">
-     <property name="text">
-      <string>Draw a &amp;grid in the book list</string>
-     </property>
-    </widget>
-   </item>
-   <item row="14" column="0">
-    <widget class="QCheckBox" name="opt_dnd_merge">
-     <property name="text">
-      <string>Allow using &amp;drag and drop to merge books</string>
-     </property>
-    </widget>
-   </item>
-   <item row="15" column="0">
-    <spacer name="verticalSpacer_3">
-     <property name="orientation">
-      <enum>Qt::Vertical</enum>
-     </property>
-     <property name="sizeHint" stdset="0">
-      <size>
-       <width>20</width>
-       <height>40</height>
-      </size>
-     </property>
-    </spacer>
-   </item>
   </layout>
  </widget>
  <resources>
-    <include location="../../../../../resources/images.qrc"/>
+  <include location="../../../../../resources/images.qrc"/>
  </resources>
  <connections/>
 </ui>