diff --git a/src/wp-admin/includes/file.php b/src/wp-admin/includes/file.php
index 4c42c5be3e..fe05085dd8 100644
--- a/src/wp-admin/includes/file.php
+++ b/src/wp-admin/includes/file.php
@@ -778,6 +778,12 @@ function _wp_handle_upload( &$file, $overrides, $time, $action ) {
 		return call_user_func_array( $upload_error_handler, array( &$file, $upload_error_strings[ $file['error'] ] ) );
 	}
 
+	// A properly uploaded file will pass this test. There should be no reason to override this one.
+	$test_uploaded_file = 'wp_handle_upload' === $action ? @ is_uploaded_file( $file['tmp_name'] ) : @ is_readable( $file['tmp_name'] );
+	if ( ! $test_uploaded_file ) {
+		return call_user_func_array( $upload_error_handler, array( &$file, __( 'Specified file failed upload test.' ) ) );
+	}
+
 	$test_file_size = 'wp_handle_upload' === $action ? $file['size'] : filesize( $file['tmp_name'] );
 	// A non-empty file will pass this test.
 	if ( $test_size && ! ( $test_file_size > 0 ) ) {
@@ -789,12 +795,6 @@ function _wp_handle_upload( &$file, $overrides, $time, $action ) {
 		return call_user_func_array( $upload_error_handler, array( &$file, $error_msg ) );
 	}
 
-	// A properly uploaded file will pass this test. There should be no reason to override this one.
-	$test_uploaded_file = 'wp_handle_upload' === $action ? @ is_uploaded_file( $file['tmp_name'] ) : @ is_file( $file['tmp_name'] );
-	if ( ! $test_uploaded_file ) {
-		return call_user_func_array( $upload_error_handler, array( &$file, __( 'Specified file failed upload test.' ) ) );
-	}
-
 	// A correct MIME type will pass this test. Override $mimes or use the upload_mimes filter.
 	if ( $test_type ) {
 		$wp_filetype     = wp_check_filetype_and_ext( $file['tmp_name'], $file['name'], $mimes );