diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5c72f67116bf583ada62051da8add08c37f5ca9c..dc37ba55caea1788721ca5582c2ad8dd741bdd07 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -110,6 +110,8 @@ license_headers:
   image: labrobotica/wolf_deps:16.04
   except:
     - master
+  before_script:
+    - *preliminaries_definition
   script:
     - *license_header_definition