diff --git a/tools/build/onos-buck b/tools/build/onos-buck
index 9258dd9..91f0d07 100755
--- a/tools/build/onos-buck
+++ b/tools/build/onos-buck
@@ -1,4 +1,4 @@
-#/bin/bash
+#!/bin/bash
 # -----------------------------------------------------------------------------
 # Runs the custom version of Buck required by ONOS.
 # -----------------------------------------------------------------------------