diff --git a/src/MicroweberPackages/Utils/System/Files.php b/src/MicroweberPackages/Utils/System/Files.php
index 2cb4c58aac7..c824da4d9b4 100644
--- a/src/MicroweberPackages/Utils/System/Files.php
+++ b/src/MicroweberPackages/Utils/System/Files.php
@@ -1154,7 +1154,7 @@ function get_allowed_files_extensions_for_upload($fileTypes = 'images', $returnA
                 break;
             case 'file':
             case 'files':
-                $are_allowed .= ',doc,docx,pdf,json,rtf,txt,zip,gzip,rar,cad,psd,xlsx,csv,7z';
+                $are_allowed .= ',css,scss,doc,docx,pdf,json,rtf,txt,zip,gzip,rar,cad,psd,xlsx,csv,7z';
                 break;
             case 'documents':
             case 'doc':