diff --git a/.gitlab/ci_scripts/create_vps.sh b/.gitlab/ci_scripts/create_vps.sh
index eabb6bf57851694266b8accd1115b28b56f8481b..3625f0472641443727bd7c7af246563cca24adce 100644
--- a/.gitlab/ci_scripts/create_vps.sh
+++ b/.gitlab/ci_scripts/create_vps.sh
@@ -18,6 +18,6 @@ python3 -m openappstack $HOSTNAME create \
   --subdomain $SUBDOMAIN \
   --disk-image-id '-7473' \
   --truncate-subdomain \
-  --docker-mirror-endpoint='${CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX}' \
-  --docker-mirror-username='${CI_DEPENDENCY_PROXY_USER}' \
-  --docker-mirror-password='${CI_DEPENDENCY_PROXY_PASSWORD}'
+  --docker-mirror-endpoint="${CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX}" \
+  --docker-mirror-username="${CI_DEPENDENCY_PROXY_USER}" \
+  --docker-mirror-password="${CI_DEPENDENCY_PROXY_PASSWORD}"