diff --git a/miryoku/miryoku.dtsi b/miryoku/miryoku.dtsi
index 87d4ce3..b26bb68 100644
--- a/miryoku/miryoku.dtsi
+++ b/miryoku/miryoku.dtsi
@@ -7,6 +7,7 @@
 #include <dt-bindings/zmk/rgb.h>
 #include <dt-bindings/zmk/outputs.h>
 #include <dt-bindings/zmk/ext_power.h>
+#include <dt-bindings/zmk/mouse.h>
 
 #include "miryoku.h"
 
diff --git a/miryoku/miryoku_mousekeys.h b/miryoku/miryoku_mousekeys.h
index 79f621e..e8a77dd 100644
--- a/miryoku/miryoku_mousekeys.h
+++ b/miryoku/miryoku_mousekeys.h
@@ -3,9 +3,10 @@
 
 #pragma once
 
-#define U_BTN1 &u_macro_btn1
-#define U_BTN2 &u_macro_btn2
-#define U_BTN3 &u_macro_btn3
+#define U_BTN1 &mkp MB1
+#define U_BTN2 &mkp MB2
+#define U_BTN3 &mkp MB3
+
 #define U_MS_D &kp KP_N2
 #define U_MS_L &kp KP_N4
 #define U_MS_R &kp KP_N6
diff --git a/readme.org b/readme.org
index 04b09d6..bd8eaec 100644
--- a/readme.org
+++ b/readme.org
@@ -475,10 +475,11 @@ On each hand, combo the primary and secondary thumb keys to emulate the tertiary
 
 *** Mouse Keys
 
+[[https://zmk.dev/docs/behaviors/mouse-emulation][ZMK supports mouse buttons only]].
 
 **** Mouse Keys on Host
 
-The Mouse and Button layers use [[https://en.wikipedia.org/wiki/Mouse_keys][mouse keys on the host]].  Scroll is not supported.
+Mouse movement requires [[https://en.wikipedia.org/wiki/Mouse_keys][enabling mouse keys on the host]].  Mouse scroll is not supported.
 
 - [[https://linuxreviews.org/HOWTO_use_the_numeric_keyboard_keys_as_mouse_in_XOrg][X11]]
 - [[https://support.apple.com/en-au/guide/mac-help/mh27469/mac][Mac]]
@@ -487,7 +488,7 @@ The Mouse and Button layers use [[https://en.wikipedia.org/wiki/Mouse_keys][mous
 
 **** Mousekeys PR
 
-Support for https://github.com/zmkfirmware/zmk/pull/778 is also included.
+Mouse movement and scroll is supported with https://github.com/zmkfirmware/zmk/pull/778.
 
 As the PR branch is not being maintained, use https://github.com/urob/zmk/tree/mouse-3.2 instead.