diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bcc0ca589..2a71c87f3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -65,7 +65,7 @@ dynamic:prepare:
       - frontend.yml
       - backend.yml
 
-container:frontend: &containerfrontend
+container:frontend: &container-frontend
   stage: prepare
   needs:
     - dynamic:prepare
@@ -79,11 +79,11 @@ container:frontend: &containerfrontend
         - docker/frontend/Dockerfile
   interruptible: false
 container:frontend:manual:
-  <<: *containerfrontend
+  <<: *container-frontend
   rules:
     - when: manual
 
-container:backend: &containerbackend
+container:backend: &container-backend
   stage: prepare
   needs:
     - dynamic:prepare
@@ -97,7 +97,7 @@ container:backend: &containerbackend
         - docker/backend/Dockerfile
   interruptible: false
 container:backend:manual:
-  <<: *containerbackend
+  <<: *container-backend
   rules:
     - when: manual