diff --git a/src/dialogs.py b/src/dialogs.py
index bba88063b..2f7750379 100644
--- a/src/dialogs.py
+++ b/src/dialogs.py
@@ -45,6 +45,7 @@ import conversation_textview
 import message_control
 import dataforms_widget
 
+from common import defs
 from random import randrange
 from common import pep
 from common import ged