diff --git a/terminatorlib/prefseditor.py b/terminatorlib/prefseditor.py
index 9fa6eafc..0c64e64c 100755
--- a/terminatorlib/prefseditor.py
+++ b/terminatorlib/prefseditor.py
@@ -860,6 +860,8 @@ class PrefsEditor:
         self.liststore.set(iter, 2, 0, 3, 0)
 
 if __name__ == '__main__':
+    import util
+    util.DEBUG = True
     import terminal
     term = terminal.Terminal()
     foo = PrefsEditor(term)