diff --git a/azure-cosmosdb-table/azure/cosmosdb/table/_serialization.py b/azure-cosmosdb-table/azure/cosmosdb/table/_serialization.py
index 6767337..d49725b 100644
--- a/azure-cosmosdb-table/azure/cosmosdb/table/_serialization.py
+++ b/azure-cosmosdb-table/azure/cosmosdb/table/_serialization.py
@@ -131,6 +131,7 @@ def _to_entity_none(value):
     datetime: _to_entity_datetime,
     float: _to_entity_float,
     str: _to_entity_str,
+    byte: _to_entity_binary,
 }
 
 # Conversion from Edm type to a function which returns a tuple of the