diff --git a/gajim/gui_interface.py b/gajim/gui_interface.py
index 94004cd3092ea985edf6652cf4a93d3a4e8104a9..12973739e4990d4e5f96d859a0ad2b5aef4932ee 100644
--- a/gajim/gui_interface.py
+++ b/gajim/gui_interface.py
@@ -317,8 +317,8 @@ def handle_event_subscribed_presence(self, event):
             bare_jid,
             event.account,
             title=_('Authorization accepted'),
-            text=_('The contact "%s" has authorized you'
-                   ' to see their status.') % event.jid)
+            text=_('The contact "%(jid)s" has authorized you'
+                   ' to see their status.') % {'jid': event.jid})
 
     def show_unsubscribed_dialog(self, account, contact):
         def _remove():