diff --git a/shell/model/homemodel.py b/shell/model/homemodel.py
index 0b1eeb5a..99b0512d 100644
--- a/shell/model/homemodel.py
+++ b/shell/model/homemodel.py
@@ -166,7 +166,7 @@ class HomeModel(gobject.GObject):
         else:
             # activity got lost, took longer to launch than we allow,
             # or it was launched by something other than the shell
-            act_type = act_service.get_service_name()
+            act_type = service.get_service_name()
             bundle = self._bundle_registry.get_bundle(act_type)
             if not bundle:
                 raise RuntimeError("No bundle for activity type '%s'." % act_type)