diff --git a/src/calibre/gui2/preferences/tweaks.py b/src/calibre/gui2/preferences/tweaks.py
index fc3eb5a626..a0f9d1aab0 100644
--- a/src/calibre/gui2/preferences/tweaks.py
+++ b/src/calibre/gui2/preferences/tweaks.py
@@ -236,6 +236,7 @@ class PluginTweaks(QDialog): # {{{
         self.bb.accepted.connect(self.accept)
         self.bb.rejected.connect(self.reject)
         self.l.addWidget(self.bb)
+        self.resize(550, 300)
 
 # }}}