diff --git a/runtime/cace.py b/runtime/cace.py
index 9de1a7e..6106677 100755
--- a/runtime/cace.py
+++ b/runtime/cace.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env -S python3 -B
+#!/usr/bin/env python3
 #
 #--------------------------------------------------------
 # Project Manager GUI.