diff --git a/src/virtManager/preferences.py b/src/virtManager/preferences.py
index 6ecf6069c..0c431ed67 100644
--- a/src/virtManager/preferences.py
+++ b/src/virtManager/preferences.py
@@ -222,7 +222,7 @@ class vmmPreferences(vmmGObjectUI):
         for ignore, keyval in events:
             if keystr:
                 keystr += "+"
-            keystr +=  gtk.gdk.keyval_name(keyval)
+            keystr += gtk.gdk.keyval_name(keyval)
         return keystr
 
     def grabkeys_dlg_press(self, src_ignore, event, label, events):