--- a/Plugins/VcsPlugins/vcsMercurial/HgRevisionSelectionDialog.py	Wed Mar 12 19:54:14 2014 +0100
+++ b/Plugins/VcsPlugins/vcsMercurial/HgRevisionSelectionDialog.py	Thu Mar 13 19:21:25 2014 +0100
@@ -46,6 +46,9 @@
             self.tipButton.setText(self.tr("No revision selected"))
             self.tipButton.setToolTip(self.tr(
                 "Select to not specify a specific revision"))
+        
+        msh = self.minimumSizeHint()
+        self.resize(max(self.width(), msh.width()), msh.height())
     
     def __updateOK(self):
         """