diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6610baa8bbcfc0712b088e65b0acc2dde7b97750..3f00c0ecc394d072b0ae9e0a2d0a6dd90bd0e798 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -25,6 +25,7 @@ deploy_rights-engine:
   variables:
     <<: *global-variables
     DEPLOYMENT_URL: polaris.cls.rwth-aachen.de
+    API_URL: api-polaris.cls.rwth-aachen.de
   environment:
     name: $DEPLOYMENT_URL
   <<: *deploy
@@ -38,6 +39,7 @@ deploy_rights-engine:
     - exec_ssh "cd $BASE_DIR/rights-engine; mkdir -p data_disclosure_zips"
     - exec_ssh "cd $BASE_DIR/rights-engine; rm -rf data_disclosure_zips/*"
     - exec_ssh "cd $BASE_DIR/rights-engine; echo 'URL=$DEPLOYMENT_URL' > .env"
+    - exec_ssh "cd $BASE_DIR/rights-engine; echo 'API_URL='$API_URL >> .env"
     - exec_ssh "cd $BASE_DIR/rights-engine; echo 'WEBSITE=polaris' | sed 's/\./-/g' >> .env"
     - exec_ssh "cd $BASE_DIR/rights-engine; echo 'DB_PASSWORD=$DB_PASSWORD' >> .env"
     - exec_ssh "cd $BASE_DIR/rights-engine; echo 'DJANGO_DEVELOPMENT=false' >> .env"