diff --git a/tangostationcontrol/tangostationcontrol/clients/opcua_client.py b/tangostationcontrol/tangostationcontrol/clients/opcua_client.py
index 87d283c25156dca6a86b8e933830ccfb77d50d6a..f0c246a691ea163a7549715bee5d15393cc6674d 100644
--- a/tangostationcontrol/tangostationcontrol/clients/opcua_client.py
+++ b/tangostationcontrol/tangostationcontrol/clients/opcua_client.py
@@ -136,6 +136,9 @@ class OPCUAConnection(AsyncCommClient):
     async def get_node(self, path):
         """ Retrieve an OPC-UA node from either the cache, or the server. """
 
+        if not path:
+            return self.obj
+
         cache_key = ",".join(path)
 
         # lookup in cache