diff --git a/src/lightning/pytorch/loggers/comet.py b/src/lightning/pytorch/loggers/comet.py
index 86f437da45c56..7f626c59f985c 100644
--- a/src/lightning/pytorch/loggers/comet.py
+++ b/src/lightning/pytorch/loggers/comet.py
@@ -323,6 +323,8 @@ def log_hyperparams(self, params: Union[Dict[str, Any], Namespace]) -> None:
         self.experiment.__internal_api__log_parameters__(
             parameters=params,
             framework=FRAMEWORK_NAME,
+            flatten_nested=True,
+            source="manual",
         )
 
     @override