diff --git a/docker-compose-dev.yml b/docker-compose-dev.yml
index fc0bb4b..56c56c8 100644
--- a/docker-compose-dev.yml
+++ b/docker-compose-dev.yml
@@ -46,6 +46,8 @@ services:
 
   importer:
     restart: ${RESTART}
+    environment:
+      - SPARQL_ENDPOINT_URL=http://wdqs-proxy.svc/bigdata/namespace/wdq/sparql
 
   importer-api:
     ports:
diff --git a/docker-compose.yml b/docker-compose.yml
index 42213e1..8abc60e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -145,7 +145,7 @@ services:
       - IMPORTER_CRON_ENABLE=${IMPORTER_CRON_ENABLE:-false}
       - IMPORTER_AGENT=${IMPORTER_AGENT}
       - MEDIAWIKI_API_URL=http://mardi-wikibase/w/api.php
-      - SPARQL_ENDPOINT_URL=http://wdqs-proxy.svc/bigdata/namespace/wdq/sparql
+      - SPARQL_ENDPOINT_URL='http://query.portal.mardi4nfdi.de/proxy/wdqs/bigdata/namespace/wdq/sparql'
       - WIKIBASE_URL=http://mardi-wikibase
       - IMPORTER_USER=${IMPORTER_USER}
       - IMPORTER_PASS=${IMPORTER_PASS}