diff --git a/litellm/proxy/guardrails/guardrail_hooks/presidio.py b/litellm/proxy/guardrails/guardrail_hooks/presidio.py
index b3cc9236b1d..29d57ee4734 100644
--- a/litellm/proxy/guardrails/guardrail_hooks/presidio.py
+++ b/litellm/proxy/guardrails/guardrail_hooks/presidio.py
@@ -385,6 +385,9 @@ class _OPTIONAL_PresidioPIIMasking(CustomGuardrail):
                         )
                         continue
                 return final_results
+        except GuardrailRaisedException:
+            # Re-raise GuardrailRaisedException without wrapping
+            raise
         except Exception as e:
             # Sanitize exception to avoid leaking the original text (which may
             # contain API keys or other secrets) in error responses.
diff --git a/litellm/proxy/management_endpoints/common_utils.py b/litellm/proxy/management_endpoints/common_utils.py
index d6f6d1337a3..34a17f6c274 100644
--- a/litellm/proxy/management_endpoints/common_utils.py
+++ b/litellm/proxy/management_endpoints/common_utils.py
@@ -1,4 +1,4 @@
-from typing import Any, Dict, Optional, Union, TYPE_CHECKING
+from typing import TYPE_CHECKING, Any, Dict, Optional, Union
 
 from litellm._logging import verbose_proxy_logger
 from litellm.caching import DualCache
@@ -402,7 +402,7 @@ def _update_metadata_fields(updated_kv: dict) -> None:
         updated_kv: The key-value dict being used for the update
     """
     for field in LiteLLM_ManagementEndpoint_MetadataFields_Premium:
-        if field in updated_kv and _has_non_empty_value(updated_kv[field]):
+        if field in updated_kv and updated_kv[field] is not None:
             _update_metadata_field(updated_kv=updated_kv, field_name=field)
 
     for field in LiteLLM_ManagementEndpoint_MetadataFields: