diff --git a/extensions/openpower-pels/registry/run-ci.sh b/extensions/openpower-pels/registry/run-ci.sh
index c0bcc61..55737fd 100755
--- a/extensions/openpower-pels/registry/run-ci.sh
+++ b/extensions/openpower-pels/registry/run-ci.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
 /usr/bin/env python3 extensions/openpower-pels/registry/tools/process_registry.py \
 -v -s extensions/openpower-pels/registry/schema/schema.json \
 -r extensions/openpower-pels/registry/message_registry.json