diff --git a/synapse_topology/__init__.py b/synapse_topology/__init__.py
index 7b6563ab03..2cb31b41b1 100755
--- a/synapse_topology/__init__.py
+++ b/synapse_topology/__init__.py
@@ -1,4 +1,4 @@
-#! python3
+#! python
 import argparse
 import os.path as path
 import sys