diff --git a/confluent_server/confluent/plugins/hardwaremanagement/proxmox.py b/confluent_server/confluent/plugins/hardwaremanagement/proxmox.py
index ed13d652..03bd1149 100644
--- a/confluent_server/confluent/plugins/hardwaremanagement/proxmox.py
+++ b/confluent_server/confluent/plugins/hardwaremanagement/proxmox.py
@@ -185,7 +185,7 @@ class KvmConnection:
         self.portnum = 8006
         self.password = consdata['ticket']
 
-    def close(self):
+    async def close(self):
         pass