diff --git a/scripts/build-images b/scripts/build-images
index 171b4b6..0ff4fea 100755
--- a/scripts/build-images
+++ b/scripts/build-images
@@ -15,7 +15,8 @@ for i in $BASE/[0-9]*; do
name="os-$(echo ${i} | cut -f2 -d-)"
tag="${OS_REPO}/${name}:${VERSION}${SUFFIX}"
echo "build-image: Building ${tag}"
- if [ -x ${i}/prebuild.sh ]; then
+ if [ -e ${i}/prebuild.sh ];then
+ chmod a+x ${i}/prebuild.sh
${i}/prebuild.sh
fi