diff --git a/Gramps.py b/Gramps.py
index 30ed98abb..5d1986693 100644
--- a/Gramps.py
+++ b/Gramps.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python -O
 #
 # Gramps - a GTK+/GNOME based genealogy program
 #