diff --git a/cmd/api-errors.go b/cmd/api-errors.go
index 1f7b277aa..2406e629c 100644
--- a/cmd/api-errors.go
+++ b/cmd/api-errors.go
@@ -971,7 +971,7 @@ var errorCodes = errorCodeMap{
 		HTTPStatusCode: http.StatusBadRequest,
 	},
 	ErrMetadataTooLarge: {
-		Code:           "InvalidArgument",
+		Code:           "MetadataTooLarge",
 		Description:    "Your metadata headers exceed the maximum allowed metadata size.",
 		HTTPStatusCode: http.StatusBadRequest,
 	},