diff --git a/TheengsGateway/ble_gateway.py b/TheengsGateway/ble_gateway.py
index 0c8b3dd..f538a85 100644
--- a/TheengsGateway/ble_gateway.py
+++ b/TheengsGateway/ble_gateway.py
@@ -66,6 +66,7 @@
     "cipher",
     "cont",
     "ctr",
+    "ctrl",
     "encr",
     "manufacturerdata",
     "mic",