diff --git a/ingestor/managers/ingestor_manager.py b/ingestor/managers/ingestor_manager.py
index bb04c63..030e305 100644
--- a/ingestor/managers/ingestor_manager.py
+++ b/ingestor/managers/ingestor_manager.py
@@ -298,9 +298,9 @@ class IngestorManager(SientiaMonitoring):
         """
         to_disconnect: list[str] = []
         for server, opc_manager in self.opc_managers.items():
-            opc_manager.check_cycles()
+            await opc_manager.check_cycles()
 
-            is_lost = opc_manager.check_opc_listenning()
+            is_lost = await opc_manager.check_opc_listenning()
             if is_lost:
                 self.logger.warning(f'OPC server {server} is lost. Server will be disconnected.')