diff --git a/hosts/poppy/system.nix b/hosts/poppy/system.nix
index f2160ac..6e410b7 100644
--- a/hosts/poppy/system.nix
+++ b/hosts/poppy/system.nix
@@ -9,6 +9,12 @@
     };
 
     CustomUserPreferences = {
+      # Disable system sound effects (screenshots, etc.)
+      "com.apple.systemsound" = {
+        "com.apple.sound.beep.feedback" = 0;  # No feedback sound when changing volume
+        "com.apple.sound.uiaudio.enabled" = 0; # Disable UI sounds (screenshots, etc.)
+      };
+
       "com.apple.HIToolbox" = {
         AppleEnabledInputSources = [
           {