diff --git a/commons/filter.py b/commons/filter.py
index 23e60ed..032e491 100755
--- a/commons/filter.py
+++ b/commons/filter.py
@@ -1,4 +1,4 @@
-#!/usr/local/bin/python
+#! /usr/bin/env python
 
 import sys
 
diff --git a/dblp/filter.py b/dblp/filter.py
index 5e3c657..5455a1b 100755
--- a/dblp/filter.py
+++ b/dblp/filter.py
@@ -1,4 +1,4 @@
-#!/usr/local/bin/python
+#! /usr/bin/env python
 
 import sys