diff --git a/core/src/storage/cache_thp.py b/core/src/storage/cache_thp.py
index 146da335d..2c1514df7 100644
--- a/core/src/storage/cache_thp.py
+++ b/core/src/storage/cache_thp.py
@@ -23,7 +23,7 @@ _WIRE_INTERFACE_LENGTH = const(1)
 _SESSION_STATE_LENGTH = const(1)
 _CHANNEL_ID_LENGTH = const(2)
 SESSION_ID_LENGTH = const(1)
-BROADCAST_CHANNEL_ID = const(65535)
+BROADCAST_CHANNEL_ID = const(0xFFFF)
 KEY_LENGTH = const(32)
 TAG_LENGTH = const(16)
 _UNALLOCATED_STATE = const(0)