diff --git a/examples/chip-tool/py_matter_chip_tool_adapter/matter_chip_tool_adapter/encoder.py b/examples/chip-tool/py_matter_chip_tool_adapter/matter_chip_tool_adapter/encoder.py
index 2b5463412e4f43..f395df13674a7d 100644
--- a/examples/chip-tool/py_matter_chip_tool_adapter/matter_chip_tool_adapter/encoder.py
+++ b/examples/chip-tool/py_matter_chip_tool_adapter/matter_chip_tool_adapter/encoder.py
@@ -376,7 +376,7 @@ def __to_lower_camel_case(self, name):
         return name[:1].lower() + name[1:]
 
     def __format_cluster_name(self, name):
-        return name.lower().replace(' ', '').replace('/', '').lower()
+        return name.lower().replace(' ', '').replace('/', '').replace('.', '').lower()
 
     def __format_command_name(self, name):
         if name is None: