diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ae748b77f65117503653cf23b2e3887180772169..06eab896e20e061bf7b09855df7478a07f662f28 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -54,7 +54,7 @@ frontend-build-mr:
   variables:
     # On merge requests we build using preprod to be able
     # to test on surge.sh
-    API_BASE_URL: https://arkindex.dev.teklia.com/api/v1
+    API_BASE_URL: https://preprod.arkindex.teklia.com/api/v1
     SURGE_BUILD: 'true'
 
 frontend-build: