diff --git a/scripts/update-modules.sh b/scripts/update-modules.sh
index 259612e32c3512be1600daadde3e14d9ea9cc6d1..f16aa38aca00dbd8d2f5fab8a252dd8d37b70978 100755
--- a/scripts/update-modules.sh
+++ b/scripts/update-modules.sh
@@ -52,7 +52,7 @@ for MODULE in "OPENWRT" ${GLUON_FEEDS}; do
 
 	# prepare the commit message
 	# shellcheck disable=SC2001
-	MODULE=$(echo ${MODULE,,} | sed 's/packages_//')
+	MODULE=$(echo "${MODULE,,}" | sed 's/packages_//')
 	TITLE="modules: update ${MODULE}"
 	MESSAGE="$(mktemp)"
 	{