diff --git a/functions b/functions
index 63d5139..c99cefa 100755
--- a/functions
+++ b/functions
@@ -145,7 +145,7 @@ service_create_container() {
   dokku_log_verbose_quiet "Waiting for container to be ready"
   "$DOCKER_BIN" container run "${LINK_CONTAINER_DOCKER_ARGS[@]}" "$PLUGIN_WAIT_IMAGE" -c "$SERVICE_NAME:$PLUGIN_DATASTORE_WAIT_PORT" >/dev/null
 
-  echo "db.createUser({user:'$SERVICE',pwd:'$PASSWORD',roles:[{role:'readWrite',db:'$DATABASE_NAME'}]})" | "$DOCKER_BIN" container exec -i "$SERVICE_NAME" mongo -u admin -p "$ROOTPASSWORD" --authenticationDatabase admin "$DATABASE_NAME" >/dev/null
+  "$DOCKER_BIN" container exec -i "$SERVICE_NAME" mongosh -u admin -p "$ROOTPASSWORD" --authenticationDatabase admin "$DATABASE_NAME" --eval "if (db.getUser('$SERVICE') == null) { db.createUser({user:'$SERVICE',pwd:'$PASSWORD',roles:[{role:'readWrite',db:'$DATABASE_NAME'}]}) }" >/dev/null
   dokku_log_info2 "$PLUGIN_SERVICE container created: $SERVICE"
   service_info "$SERVICE"
 }