diff --git a/media/css/print_for_md_file_view.css b/media/css/print_for_md_file_view.css
index 54cd2915e5..31c3d82c2b 100644
--- a/media/css/print_for_md_file_view.css
+++ b/media/css/print_for_md_file_view.css
@@ -1,3 +1,6 @@
+#root {
+  height: auto;
+}
 .sf-md-viewer-topbar,
 .seafile-rich-editor-topbar {
   display: none;