diff --git a/litellm/litellm_core_utils/litellm_logging.py b/litellm/litellm_core_utils/litellm_logging.py
index f57dd3b81..d38f5137d 100644
--- a/litellm/litellm_core_utils/litellm_logging.py
+++ b/litellm/litellm_core_utils/litellm_logging.py
@@ -2329,6 +2329,8 @@ def get_standard_logging_object_payload(
             completion_start_time_float = completion_start_time.timestamp()
         elif isinstance(completion_start_time, float):
             completion_start_time_float = completion_start_time
+        else:
+            completion_start_time_float = end_time_float
         # clean up litellm hidden params
         clean_hidden_params = StandardLoggingHiddenParams(
             model_id=None,