diff --git a/hosting/single/runner.sh b/hosting/single/runner.sh
index 3126eedfb1..fc8d4d8b2d 100644
--- a/hosting/single/runner.sh
+++ b/hosting/single/runner.sh
@@ -53,6 +53,11 @@ done
 if [[ -z "${COUCH_DB_URL}" ]]; then
     export COUCH_DB_URL=http://$COUCHDB_USER:$COUCHDB_PASSWORD@127.0.0.1:5984
 fi
+
+if [[ -z "${COUCH_DB_SQL_URL}" ]]; then
+    export COUCH_DB_SQL_URL=http://127.0.0.1:4984
+fi
+
 if [ ! -f "${DATA_DIR}/.env" ]; then
     touch ${DATA_DIR}/.env
     for ENV_VAR in "${ENV_VARS[@]}"