diff --git a/ivtest/vvp_reg.py b/ivtest/vvp_reg.py
index 450071121..601dc45bb 100755
--- a/ivtest/vvp_reg.py
+++ b/ivtest/vvp_reg.py
@@ -1,4 +1,4 @@
-#! python3
+#!/usr/bin/env python3
 '''
 Usage:
     vvp_reg