--- a/Plugins/VcsPlugins/vcsMercurial/HgLogDialog.py	Wed Sep 14 19:46:52 2011 +0200
+++ b/Plugins/VcsPlugins/vcsMercurial/HgLogDialog.py	Thu Sep 15 18:35:49 2011 +0200
@@ -104,7 +104,7 @@
         self.repodir = self.dname
         while not os.path.isdir(os.path.join(self.repodir, self.vcs.adminDir)):
             self.repodir = os.path.dirname(self.repodir)
-            if self.repodir == os.sep:
+            if os.path.splitdrive(self.repodir)[1] == os.sep:
                 return
         
         self.projectMode = (self.fname == "." and self.dname == self.repodir)