diff --git a/src/calibre/gui2/preferences/tweaks.py b/src/calibre/gui2/preferences/tweaks.py
index 3ff445f6ee..a63c88b667 100644
--- a/src/calibre/gui2/preferences/tweaks.py
+++ b/src/calibre/gui2/preferences/tweaks.py
@@ -372,6 +372,7 @@ class TweaksView(QListView):
         self.setAlternatingRowColors(True)
         self.setSpacing(5)
         self.setVerticalScrollMode(self.ScrollPerPixel)
+        self.setMinimumWidth(300)
 
     def currentChanged(self, cur, prev):
         QListView.currentChanged(self, cur, prev)