diff --git a/src/calibre/gui2/preferences/main.py b/src/calibre/gui2/preferences/main.py
index 56b7cbcba9..f0e8cddc25 100644
--- a/src/calibre/gui2/preferences/main.py
+++ b/src/calibre/gui2/preferences/main.py
@@ -11,7 +11,7 @@ from collections import OrderedDict
 
 from PyQt5.Qt import (
     Qt, QIcon, QFont, QWidget, QScrollArea, QStackedWidget, QVBoxLayout,
-    QLabel, QFrame, QToolBar, QSize, pyqtSignal, QPixmap, QDialogButtonBox,
+    QLabel, QFrame, QToolBar, QSize, pyqtSignal, QDialogButtonBox,
     QHBoxLayout, QDialog, QSizePolicy, QPainter, QTextLayout, QPointF,
     QStatusTipEvent, QApplication)
 
@@ -88,8 +88,7 @@ class TitleBar(QWidget):
         self.show_msg()
 
     def show_plugin(self, plugin=None):
-        self.pmap = QPixmap(I('lt.png') if plugin is None else plugin.icon).scaled(ICON_SIZE, ICON_SIZE,
-                Qt.KeepAspectRatio, Qt.SmoothTransformation)
+        self.pmap = (QIcon(I('lt.png') if plugin is None else plugin.icon)).pixmap(ICON_SIZE, ICON_SIZE)
         self.icon.setPixmap(self.pmap)
         self.title.setText('<h1>' + (_('Preferences') if plugin is None else plugin.gui_name))