diff --git a/enterprise/litellm_enterprise/proxy/hooks/managed_files.py b/enterprise/litellm_enterprise/proxy/hooks/managed_files.py
index 01aa8465567..171be00ef6b 100644
--- a/enterprise/litellm_enterprise/proxy/hooks/managed_files.py
+++ b/enterprise/litellm_enterprise/proxy/hooks/managed_files.py
@@ -1735,13 +1735,13 @@ class _PROXY_LiteLLMManagedFiles(CustomLogger, BaseFileEndpoints):
         """
         file_ids = []
         for message in messages:
-            if message.get("role") == "user":
+            if isinstance(message, dict) and message.get("role") == "user":
                 content = message.get("content")
                 if content:
                     if isinstance(content, str):
                         continue
                     for c in content:
-                        if c.get("type") == "file":
+                        if isinstance(c, dict) and c.get("type") == "file":
                             file_object_file_field = cast(Dict[str, object], c).get("file")
                             if not isinstance(file_object_file_field, dict):
                                 continue
diff --git a/tests/unit/enterprise/proxy/hooks/test_managed_files.py b/tests/unit/enterprise/proxy/hooks/test_managed_files.py
index 33d7289c893..7d9b328fc9a 100644
--- a/tests/unit/enterprise/proxy/hooks/test_managed_files.py
+++ b/tests/unit/enterprise/proxy/hooks/test_managed_files.py
@@ -337,9 +337,11 @@ def test_get_file_ids_from_messages_leaves_malformed_file_parts_to_request_valid
         DualCache(), prisma_client=MagicMock()
     )
     messages = [
+        "not-a-message",
         {
             "role": "user",
             "content": [
+                "not-a-part",
                 {"type": "file"},
                 {"type": "file", "file": "file-raw"},
                 {"type": "file", "file": None},