diff --git a/js/ui/endSessionDialog.js b/js/ui/endSessionDialog.js
index 99525933b..c2b74ab07 100644
--- a/js/ui/endSessionDialog.js
+++ b/js/ui/endSessionDialog.js
@@ -124,7 +124,7 @@ function findAppFromInhibitor(inhibitor) {
     } catch(e) {
         // XXX -- sometimes JIT inhibitors generated by gnome-session
         // get removed too soon. Don't fail in this case.
-        log('gnome-session gave us a dead inhibitor: %s'.format(inhibitor.get_object_path());
+        log('gnome-session gave us a dead inhibitor: %s'.format(inhibitor.get_object_path()));
         return null;
     }