diff --git a/library/mongodb_replication.py b/library/mongodb_replication.py
index edc2253..740e812 100644
--- a/library/mongodb_replication.py
+++ b/library/mongodb_replication.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python2
 
 # (c) 2015-2018, Sergei Antipov, 2GIS LLC
 #