diff --git a/bin/wideSCCluster2longSCCluster.py b/bin/wideSCCluster2longSCCluster.py
index bd592b1..5d5134c 100755
--- a/bin/wideSCCluster2longSCCluster.py
+++ b/bin/wideSCCluster2longSCCluster.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import argparse
 import pandas as pd