diff --git a/src/gtkgui_helpers.py b/src/gtkgui_helpers.py
index 2a3a4131e..4d3e39e9f 100644
--- a/src/gtkgui_helpers.py
+++ b/src/gtkgui_helpers.py
@@ -35,6 +35,7 @@ from gi.repository import GObject
 from gi.repository import Pango
 import os
 import sys
+import importlib
 
 import logging
 log = logging.getLogger('gajim.gtkgui_helpers')