diff --git a/server/config/base.js b/server/config/base.js
index 811c6f45..0624d269 100644
--- a/server/config/base.js
+++ b/server/config/base.js
@@ -22,7 +22,7 @@ module.exports = {
     maxUploadPublicDirSize: 200*1024*1024,//100Мб
 
     useExternalBookConverter: false,
-    acceptFileExt: '.fb2, .html, .txt, .zip, .bz2, .gz, .rar, .epub, .mobi, .rtf, .doc, .docx, .pdf, .djvu, .jpg, .jpeg, .png',
+    acceptFileExt: '.fb2, .fb3, .html, .txt, .zip, .bz2, .gz, .rar, .epub, .mobi, .rtf, .doc, .docx, .pdf, .djvu, .jpg, .jpeg, .png',
     webConfigParams: ['name', 'version', 'mode', 'maxUploadFileSize', 'useExternalBookConverter', 'acceptFileExt', 'branch'],
 
     db: [