--- a/mercurial/util_win32.py	Sun Feb 03 22:27:53 2008 -0600
+++ b/mercurial/util_win32.py	Sun Feb 03 23:08:16 2008 -0800
@@ -202,7 +202,7 @@
     except ImportError:
         return None
 
-    def query_val(scope, key):
+    def query_val(scope, key, valname):
         try:
             keyhandle = OpenKey(scope, key)
             return QueryValueEx(keyhandle, valname)[0]