diff --git a/home/duynguyen/config/niri/config.kdl b/home/duynguyen/config/niri/config.kdl
index ebc4ccc..943d1d5 100644
--- a/home/duynguyen/config/niri/config.kdl
+++ b/home/duynguyen/config/niri/config.kdl
@@ -133,7 +133,7 @@ binds {
     Mod+Shift+Slash { show-hotkey-overlay; }
 
     Mod+T hotkey-overlay-title="Open a Terminal: kitty" { spawn "kitty"; }
-    Mod+D hotkey-overlay-title="Run an Application: walker" { spawn "walker"; }
+    Mod+Space hotkey-overlay-title="Run an Application: walker" { spawn "walker"; }
     Super+Alt+L hotkey-overlay-title="Lock the Screen: swaylock" { spawn "swaylock"; }
 
     XF86AudioRaiseVolume allow-when-locked=true { spawn-sh "wpctl set-volume @DEFAULT_AUDIO_SINK@ 0.1+ -l 1.0"; }