diff --git a/build/wdqs/entrypoint.sh b/build/wdqs/entrypoint.sh
index bafdda4ce..36afc5049 100755
--- a/build/wdqs/entrypoint.sh
+++ b/build/wdqs/entrypoint.sh
@@ -13,7 +13,7 @@ done
 
 set -eu
 
-export BLAZEGRAPH_OPTS="${BLAZEGRAPH_EXTRA_OPTS} -DwikibaseHost=${WIKIBASE_HOST}"
+export BLAZEGRAPH_OPTS="${BLAZEGRAPH_EXTRA_OPTS} -DwikibaseHost=${WIKIBASE_HOST} -DwikibaseConceptUri=${WIKIBASE_CONCEPT_URI}"
 export UPDATER_OPTS="-DwikibaseHost=${WIKIBASE_HOST} -DwikibaseMaxDaysBack=${WIKIBASE_MAX_DAYS_BACK}"
 
 envsubst < /templates/mwservices.json > /wdqs/mwservices.json
diff --git a/deploy/docker-compose.yml b/deploy/docker-compose.yml
index 5ce8f791b..e5f96f201 100644
--- a/deploy/docker-compose.yml
+++ b/deploy/docker-compose.yml
@@ -98,6 +98,8 @@ services:
         hard: 32768
     volumes:
       - wdqs-data:/wdqs/data
+    environment:
+      WIKIBASE_CONCEPT_URI: https://${WIKIBASE_PUBLIC_HOST}
     healthcheck:
       test: curl --silent --fail localhost:9999/bigdata/namespace/wdq/sparql
       interval: 10s