diff --git a/daemon/core/api/tlv/corehandlers.py b/daemon/core/api/tlv/corehandlers.py
index 1cc9523c..54016a40 100644
--- a/daemon/core/api/tlv/corehandlers.py
+++ b/daemon/core/api/tlv/corehandlers.py
@@ -2062,7 +2062,7 @@ class CoreUdpHandler(CoreHandler):
         if not isinstance(message, (coreapi.CoreNodeMessage, coreapi.CoreLinkMessage)):
             return
 
-        clients = self.tcp_handler.session_clients[self.session.id]
+        clients = self.tcp_handler.session_clients.get(self.session.id, [])
         for client in clients:
             try:
                 client.sendall(message.raw_message)