diff --git a/scense_runtime/runtime_service.py b/scense_runtime/runtime_service.py
index 1c3037f..fdac45d 100644
--- a/scense_runtime/runtime_service.py
+++ b/scense_runtime/runtime_service.py
@@ -93,7 +93,7 @@ async def load_world_runtime(world_id):
     if not world_id:
         return {'ok': False, 'message': 'world_id is required', 'data': None}
     try:
-        from sqlor import DBPools
+        from sqlor.dbpools import DBPools
         from ahserver import ServerEnv
     except Exception as exc:
         return _degraded(world_id, 'backend import unavailable: ' + str(exc))