diff --git a/lib/neutron_thirdparty/ryu b/lib/neutron_thirdparty/ryu
index eaf088b..1f78a21 100644
--- a/lib/neutron_thirdparty/ryu
+++ b/lib/neutron_thirdparty/ryu
@@ -1,3 +1,5 @@
+#!/bin/bash
+#
 # Ryu SDN Framework
 # -----------------