diff --git a/modules/user/modules/firefox/prefgroups.nix b/modules/user/modules/firefox/prefgroups.nix
index 5defff9..a42a528 100644
--- a/modules/user/modules/firefox/prefgroups.nix
+++ b/modules/user/modules/firefox/prefgroups.nix
@@ -25,6 +25,9 @@ rec {
 
       # disable csd
       "browser.tabs.inTitlebar" = 0;
+
+      # use portal filepicker
+      "widget.use-xdg-desktop-portal.file-picker" = 1;
     };
 
     security = {