diff --git a/programs/sway/default.nix b/programs/sway/default.nix
index 82f4942..3a2dcd6 100644
--- a/programs/sway/default.nix
+++ b/programs/sway/default.nix
@@ -108,6 +108,7 @@
               {app_id = "pavucontrol";}
               {app_id = "\.blueman-manager-wrapped";}
               {app_id = "nm-connection-editor";}
+              {app_id = "thunar";}
               {class = "steam";}
               {class = "[Mm]atplotlib";}
               {class = ".*\.py";}