diff -r 072d97551334 -r 19f22f304e2c Plugins/VcsPlugins/vcsMercurial/HgLogBrowserDialog.py --- a/Plugins/VcsPlugins/vcsMercurial/HgLogBrowserDialog.py Sat Feb 25 19:41:53 2017 +0100 +++ b/Plugins/VcsPlugins/vcsMercurial/HgLogBrowserDialog.py Sun Feb 26 15:16:35 2017 +0100 @@ -2585,6 +2585,8 @@ self.__diffGenerator.start(self.__filename, [min(rev1, rev2), max(rev1, rev2)], self.__bundle) + else: + self.diffEdit.clear() def __generatorFinished(self): """