diff --git a/litellm/llms/gemini/files/transformation.py b/litellm/llms/gemini/files/transformation.py
index 37f1376c2b1..35e1b677b4c 100644
--- a/litellm/llms/gemini/files/transformation.py
+++ b/litellm/llms/gemini/files/transformation.py
@@ -299,7 +299,7 @@ class GoogleAIStudioFilesHandler(GeminiModelInfo, BaseFilesConfig):
             # Extract the file path from full URI
             file_name = file_id.split("/v1beta/")[-1]
         else:
-            file_name = file_id
+            file_name = f"files/{file_id}"
         
         # Construct the delete URL
         url = f"{api_base}/v1beta/{file_name}"