diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c8362827f3dc92371caf4c5ac29335c179c8be1d..6325f62eabd8477c4d5d83ac66307d224a29712b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,6 +26,8 @@ generate-reference-api:
     - export TZ=Europe/Paris
     - rake reference-api
     - git status
+    - echo "Checking that git status output is empty..."
+    - [ "`git status -s`" = "" ]
     - git diff --exit-code
 
 deploy: