diff --git a/bin/ddsim b/bin/ddsim
index 8fb04710c7bde939cc07ee83f2772e4f9219b7e1..700906ad7a32e48481ef5f3b8e05891f086d2428 100755
--- a/bin/ddsim
+++ b/bin/ddsim
@@ -1,4 +1,4 @@
-#!/bin/env python
+#!/usr/bin/env python
 """
 
 DD4hep simulation with some argument parsing