diff --git a/s3err/s3err.go b/s3err/s3err.go
index 92586aab..a0fb2cb5 100644
--- a/s3err/s3err.go
+++ b/s3err/s3err.go
@@ -527,7 +527,7 @@ 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,
 	},
 	ErrGetUploadsWithKey: {
 		Code:           "InvalidRequest",