diff --git a/src/calibre/gui2/preferences/toolbar.ui b/src/calibre/gui2/preferences/toolbar.ui
index 6dbbb79f2e..63ab4c781c 100644
--- a/src/calibre/gui2/preferences/toolbar.ui
+++ b/src/calibre/gui2/preferences/toolbar.ui
@@ -248,6 +248,9 @@
      <property name="text">
       <string/>
      </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
     </widget>
    </item>
    <item>