diff --git a/gramps/gen/utils/grampslocale.py b/gramps/gen/utils/grampslocale.py
index 01a13c668..09a8aed3c 100644
--- a/gramps/gen/utils/grampslocale.py
+++ b/gramps/gen/utils/grampslocale.py
@@ -481,7 +481,7 @@ class GrampsLocale(object):
             if not sys.platform == 'win32':
                 locale.bindtextdomain(self.localedomain, self.localedir)
             else:
-                self._win_bindtextdomain(self.localedomain,
+                self._win_bindtextdomain(self.localedomain.encode('utf-8'),
                                          self.localedir.encode('utf-8'))
 
     def _init_secondary_locale(self):