diff --git a/g13gui/g13gui/main.py b/g13gui/g13gui/main.py
index db9ac02..7a85a59 100644
--- a/g13gui/g13gui/main.py
+++ b/g13gui/g13gui/main.py
@@ -8,10 +8,12 @@ from g13gui.model.prefsstore import PreferencesStore
 from g13gui.g13.manager import Manager
 
 gi.require_version('Gtk', '3.0')
-from gi.repository import Gtk, GObject
+from gi.repository import Gtk, Gdk, GObject
 
 
 if __name__ == '__main__':
+    Gdk.threads_init()
+
     prefs = PreferencesStore.getPrefs()
     manager = Manager(prefs)
     manager.start()