diff --git a/weed/s3api/s3err/s3api_errors.go b/weed/s3api/s3err/s3api_errors.go
index a24bd0efdf..aab4ce3e5f 100644
--- a/weed/s3api/s3err/s3api_errors.go
+++ b/weed/s3api/s3err/s3api_errors.go
@@ -569,7 +569,7 @@ var errorCodeResponse = map[ErrorCode]APIError{
 	ErrMissingDateHeader: {
 		Code:           "AccessDenied",
 		Description:    "AWS authentication requires a valid Date or x-amz-date header",
-		HTTPStatusCode: http.StatusBadRequest,
+		HTTPStatusCode: http.StatusForbidden,
 	},
 	ErrInvalidRequest: {
 		Code:           "InvalidRequest",