diff --git a/web/templates/file_manager/main.php b/web/templates/file_manager/main.php
index 9aff6129..82565393 100644
--- a/web/templates/file_manager/main.php
+++ b/web/templates/file_manager/main.php
@@ -147,7 +147,7 @@
                 var url = '/upload/';
                 $('#file_upload_' + letter).fileupload({
                     singleFileUploads: false,
-		    maxChunkSize: 5000000, // ~5 MB
+		    maxChunkSize: 10000000, // ~10 MB
                     add: function (e, data) {
                         FM.setTabActive(FM['TAB_'+letter]);