diff --git a/src/calibre/gui2/preferences/tweaks.py b/src/calibre/gui2/preferences/tweaks.py
index 9928e6a892..075375f3b0 100644
--- a/src/calibre/gui2/preferences/tweaks.py
+++ b/src/calibre/gui2/preferences/tweaks.py
@@ -60,7 +60,8 @@ class Tweak(object): # {{{
         return ans
 
     def __cmp__(self, other):
-        return cmp(self.is_customized, getattr(other, 'is_customized', False))
+        return -1 * cmp(self.is_customized,
+                            getattr(other, 'is_customized', False))
 
     @property
     def is_customized(self):
@@ -139,6 +140,7 @@ class Tweaks(QAbstractListModel): # {{{
                 pos = self.read_tweak(lines, pos, dl, l)
             pos += 1
 
+        self.tweaks.sort()
         default_keys = set(dl.iterkeys())
         custom_keys = set(l.iterkeys())