diff --git a/home/modules/niri.nix b/home/modules/niri.nix
index c5c7dd7..518675a 100644
--- a/home/modules/niri.nix
+++ b/home/modules/niri.nix
@@ -48,6 +48,8 @@
         "Mod+A".action.spawn = ["rofi" "-show" "drun"];
         "Mod+B".action.spawn = ["firefox"];
 
+        "Mod+O".action.toggle-overview = ["repeat=false"];
+
         "Mod+H".action.focus-column-left = [];
         "Mod+L".action.focus-column-right = [];
         "Mod+J".action.focus-window-down = [];
@@ -60,6 +62,7 @@
 
         "XF86AudioRaiseVolume".action.spawn = ["wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.1+"];
         "XF86AudioLowerVolume".action.spawn = ["wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.1-"];
+        "xF86AudioMute".action.spawn = ["wpctl" "set-mute" "@DEFAULT_AUDIO_SINK@" "toggle"];
       };
     };
   };