diff --git a/modules/darwin/hardware/keyboard.nix b/modules/darwin/hardware/keyboard.nix
index 71bc7474..5d400dc0 100644
--- a/modules/darwin/hardware/keyboard.nix
+++ b/modules/darwin/hardware/keyboard.nix
@@ -2,31 +2,33 @@
   # keyboard settings is not very useful on macOS
   # the most important thing is to remap option key to alt key globally,
   # but it's not supported by macOS yet.
-  system.keyboard = {
-    enableKeyMapping = true; # enable key mapping so that we can use `option` as `control`
+  system = {
+    keyboard = {
+      enableKeyMapping = true; # enable key mapping so that we can use `option` as `control`
 
-    # NOTE: do NOT support remap capslock to both control and escape at the same time
-    remapCapsLockToControl = false; # remap caps lock to control
-    remapCapsLockToEscape = true; # remap caps lock to escape
+      # NOTE: do NOT support remap capslock to both control and escape at the same time
+      remapCapsLockToControl = false; # remap caps lock to control
+      remapCapsLockToEscape = true; # remap caps lock to escape
 
-    # swap left command and left alt
-    # so it matches common keyboard layout: `ctrl | command | alt`
-    # disabled as it only causes problems
-    swapLeftCommandAndLeftAlt = false;
-  };
+      # swap left command and left alt
+      # so it matches common keyboard layout: `ctrl | command | alt`
+      # disabled as it only causes problems
+      swapLeftCommandAndLeftAlt = false;
+    };
 
-  defaults.NSGlobalDomain = {
-    # Use F1, F2, etc. keys as standard function keys.
-    "com.apple.keyboard.fnState" = true;
+    defaults.NSGlobalDomain = {
+      # Use F1, F2, etc. keys as standard function keys.
+      "com.apple.keyboard.fnState" = true;
 
-    AppleKeyboardUIMode = 3; # Mode 3 enables full keyboard control.
+      AppleKeyboardUIMode = 3; # Mode 3 enables full keyboard control.
 
-    ApplePressAndHoldEnabled = false; # enable press and hold
-    # If you press and hold certain keyboard keys when in a text area, the key’s character begins to repeat.
-    # This is very useful for vim users, they use `hjkl` to move cursor.
-    # sets how long it takes before it starts repeating.
-    InitialKeyRepeat = 15; # normal minimum is 15 (225 ms), maximum is 120 (1800 ms)
-    # sets how fast it repeats once it starts.
-    KeyRepeat = 3; # normal minimum is 2 (30 ms), maximum is 120 (1800 ms)
+      ApplePressAndHoldEnabled = false; # enable press and hold
+      # If you press and hold certain keyboard keys when in a text area, the key’s character begins to repeat.
+      # This is very useful for vim users, they use `hjkl` to move cursor.
+      # sets how long it takes before it starts repeating.
+      InitialKeyRepeat = 15; # normal minimum is 15 (225 ms), maximum is 120 (1800 ms)
+      # sets how fast it repeats once it starts.
+      KeyRepeat = 3; # normal minimum is 2 (30 ms), maximum is 120 (1800 ms)
+    };
   };
 }