diff --git a/selftests/signedoff-check.sh b/selftests/signedoff-check.sh
index 46909102a6..8ea4788a17 100755
--- a/selftests/signedoff-check.sh
+++ b/selftests/signedoff-check.sh
@@ -1,4 +1,4 @@
-#!/bin/sh -e
+#!/bin/bash -e
 
 echo "** Running signedoff-check..."
 if [ -z "$COMMIT_COUNT" ]; then