diff --git a/lib/searpc-codegen.py b/lib/searpc-codegen.py
index 7e41cfe..e275d9b 100644
--- a/lib/searpc-codegen.py
+++ b/lib/searpc-codegen.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 """
 Generate function define macros.