diff --git a/src/mod_muc/mod_muc_room.erl b/src/mod_muc/mod_muc_room.erl
index 692bc30d6..0702d0688 100644
--- a/src/mod_muc/mod_muc_room.erl
+++ b/src/mod_muc/mod_muc_room.erl
@@ -745,7 +745,7 @@ terminate({migrated, Clone}, _StateName, StateData) ->
     ?INFO_MSG("Migrating room ~s@~s to ~p on node ~p",
 	      [StateData#state.room, StateData#state.host,
 	       Clone, node(Clone)]),
-    mod_muc:room_destroyed(StateData#state.host, StateData#state.room,
+    mod_muc:room_destroyed(StateData#state.host, list_to_binary(StateData#state.room),
 			   self(), StateData#state.server_host),
     ok;
 terminate(Reason, _StateName, StateData) ->
@@ -784,7 +784,7 @@ terminate(Reason, _StateName, StateData) ->
 	       tab_remove_online_user(LJID, StateData)
        end, [], StateData#state.users),
     add_to_log(room_existence, stopped, StateData),
-    mod_muc:room_destroyed(StateData#state.host, StateData#state.room, self(),
+    mod_muc:room_destroyed(StateData#state.host, list_to_binary(StateData#state.room), self(),
 			   StateData#state.server_host),
     ok.