diff --git a/plugins/gtkgui/tabbed_chat_window.py b/plugins/gtkgui/tabbed_chat_window.py
index ab1697285..b86996c87 100644
--- a/plugins/gtkgui/tabbed_chat_window.py
+++ b/plugins/gtkgui/tabbed_chat_window.py
@@ -26,6 +26,7 @@ import time
 import sre
 
 from dialogs import *
+from history_window import *
 
 from common import i18n