diff --git a/fission-bundle/build.sh b/fission-bundle/build.sh
index 21137f50..8f33c64f 100755
--- a/fission-bundle/build.sh
+++ b/fission-bundle/build.sh
@@ -1 +1,2 @@
+#!/bin/sh
 GOOS=linux GOARCH=386 go build