diff --git a/scripts/package-installer b/scripts/package-installer
index 9715718d..d8a11753 100755
--- a/scripts/package-installer
+++ b/scripts/package-installer
@@ -7,8 +7,9 @@ source ./scripts/version
 
 DOCKERFILE=./scripts/installer/Dockerfile.${ARCH}
 
-if [ ! -e $DOCKERFILE ] || [ ! -e dist/artifacts/vmlinuz ]; then
-    exit 0
+if [ ! -f $DOCKERFILE ] || [ ! -f dist/artifacts/vmlinuz ] || [ ! -f dist/artifacts/initrd ]; then
+    echo "Error: ${DOCKERFILE}, dist/artifacts/vmlinuz or dist/artifacts/initrd is missing"
+    exit 1
 fi
 
 mkdir -p ./scripts/installer/build
diff --git a/scripts/package-iso b/scripts/package-iso
index 0c1df7ed..3eaff7b5 100755
--- a/scripts/package-iso
+++ b/scripts/package-iso
@@ -10,8 +10,9 @@ CD=${BUILD}/cd
 mkdir -p ${CD}/boot/isolinux
 mkdir -p ${CD}/boot/isolinux
 
-if [ ! -x ${ARTIFACTS}/vmlinuz ]; then
-    exit 0
+if [ ! -f ${ARTIFACTS}/vmlinuz ] || [ ! -f ${ARTIFACTS}/initrd ]; then
+    echo "Error: vmlinuz or initrd is missing in ${ARTIFACTS}/"
+    exit 1
 fi
 
 cp ${ARTIFACTS}/initrd                        ${CD}/boot
diff --git a/scripts/package-rootfs b/scripts/package-rootfs
index 639a688d..68c10c3c 100755
--- a/scripts/package-rootfs
+++ b/scripts/package-rootfs
@@ -17,7 +17,7 @@ mkdir -p ${ARTIFACTS} ${PREPOP_DIR}
 
 if [ "$(docker info | grep 'Storage Driver: ' | sed 's/Storage Driver: //')" != "overlay" ]; then
     echo Overlay storage driver is require do create rootfs.tar 1>&2
-    exit 0
+    exit 1
 fi
 
 DFS=$(docker run -d --privileged -v /lib/modules/$(uname -r):/lib/modules/$(uname -r) ${DFS_IMAGE}${SUFFIX} ${DFS_ARGS})