diff --git a/editor.py b/editor.py
index dfd7fa9..80c2757 100644
--- a/editor.py
+++ b/editor.py
@@ -23,6 +23,8 @@ import os
 import time
 import json
 import threading
+import gi
+gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
 from gi.repository import GLib