diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8806d3dee829d5a955c0ef57e1fc6a6fa1f6d391..8c92c3611a5e6472c757738b6aa55ec43b8ba78f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -32,6 +32,13 @@ variables:
   TRIGGERED_BY_REF: $CI_COMMIT_REF_NAME
   TRIGGERED_BY_HASH: $CI_COMMIT_SHORT_SHA
 
+  WEBUI: ""
+  PYLIB: ""
+  CPPLIB: ""
+  PYINT: ""
+  CPPINT: ""
+  MYSQLBACKEND: ""
+
 image: $CI_REGISTRY_IMAGE
 stages:
   - info