diff --git a/building_manager.py b/building_manager.py
index a38be87992a7aec6877f80efa9b22811d57c85b0..06e0d21f1e5e7e7b110a780da68b00b7c5757c00 100755
--- a/building_manager.py
+++ b/building_manager.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import bcrypt
 import crypt
 import docker