diff --git a/users/simon/modules/programs.nix b/users/simon/modules/programs.nix
index f8ade30..38baca4 100644
--- a/users/simon/modules/programs.nix
+++ b/users/simon/modules/programs.nix
@@ -131,7 +131,15 @@
     # communication
     claws-mail # email client that looks ugly but just works
     firefox-wayland # the least bad browser
-    (mumble.override { pulseSupport = true; }) # VoIP group chat
+    ((mumble.override { pulseSupport = true; }).overrideAttrs (o: o // {
+      patches = o.patches ++ [
+        # TODO: remove patch once stable release supports this
+        (pkgs.fetchurl {
+          url = "https://github.com/mumble-voip/mumble/commit/03dbea56f650bba4f1aa0c54d02b6e8c3639d04f.patch";
+          sha256 = "1l7q2lxdkmykmqrvl5ga81vahs666yxiqsavx682kj1mh95pk3s4";
+        })
+      ];
+    })) # VoIP group chat
     ungoogled-chromium # useful for exporting pages as pdf
 
     # creative/design
diff --git a/users/simon/modules/sway.nix b/users/simon/modules/sway.nix
index e6fd2f8..79cb32a 100644
--- a/users/simon/modules/sway.nix
+++ b/users/simon/modules/sway.nix
@@ -162,6 +162,12 @@ lib.mkIf config.sbruder.gui.enable {
         "XF86AudioNext" = "exec ${pkgs.mpc_cli}/bin/mpc prev";
         "XF86AudioPlay" = "exec ${pkgs.mpc_cli}/bin/mpc toggle";
 
+        # Mumble PTT
+        "--no-repeat Shift_R" = "exec ${pkgs.dbus}/bin/dbus-send --session --type=method_call --dest=net.sourceforge.mumble.mumble / net.sourceforge.mumble.Mumble.startTalking";
+        "--no-repeat --release Shift_R" = "exec ${pkgs.dbus}/bin/dbus-send --session --type=method_call --dest=net.sourceforge.mumble.mumble / net.sourceforge.mumble.Mumble.stopTalking";
+        # reset
+        "Shift_R+Shift" = "exec ${pkgs.dbus}/bin/dbus-send --session --type=method_call --dest=net.sourceforge.mumble.mumble / net.sourceforge.mumble.Mumble.stopTalking";
+
         # Locking and DPMS
         "${cfg.modifier}+y" = "exec ${pkgs.swaylock}/bin/swaylock -f -i ${wallpaper}";
         "--locked ${cfg.modifier}+q" = ''exec 'test $(swaymsg -t get_outputs | ${pkgs.jq}/bin/jq "[.[].dpms] | any") = "true" && swaymsg "output * dpms off" || swaymsg "output * dpms on"'';