diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9b01979fbf06f1e1880ce936d08e2cf34ae80dea..2cd3a3f96d8f83a7a972ede5f1ef42aa37b00552 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,7 +16,7 @@ test-pr:
     - echo $CI_MERGE_REQUEST_SOURCE_BRANCH_NAME
     - scripts/setBasePath.sh https://forge.etsi.org/rep/NGSI-LD/NGSI-LD/raw/master https://forge.etsi.org/rep/NGSI-LD/NGSI-LD/raw/$CI_MERGE_REQUEST_SOURCE_BRANCH_NAME
     - docker run -i -v ${PWD}/:/data wistefan/redocly-openapi-cli bundle /data/spec/updated/ngsi-ld-spec-open-api.json -o /data/spec/updated/full_api.json
-- docker run --rm -v ${PWD}/:/local openapitools/openapi-generator-cli validate -i /local/spec/updated/full_api.json
+    - docker run --rm -v ${PWD}/:/local openapitools/openapi-generator-cli validate -i /local/spec/updated/full_api.json
   allow_failure: false
 
 test-branch: