diff --git a/plugins/scaffolder-backend-module-gitlab/src/actions/createProjectVariable.ts b/plugins/scaffolder-backend-module-gitlab/src/actions/createProjectVariable.ts
index bbb53289eb..bcfcec4c77 100644
--- a/plugins/scaffolder-backend-module-gitlab/src/actions/createProjectVariable.ts
+++ b/plugins/scaffolder-backend-module-gitlab/src/actions/createProjectVariable.ts
@@ -45,6 +45,7 @@ export const createGitlabProjectVariable = (options: {
     schema: {
       input: {
         required: [
+          'repoUrl',
           'projectId',
           'key',
           'value',