diff --git a/README.md b/README.md
index e392ef3..316a013 100644
--- a/README.md
+++ b/README.md
@@ -55,13 +55,13 @@ rtmouseをインストールして不具合が出た場合のみ以下の設定
 
 * Device Tree機能を「切」にする。
 
-### for Raspberry Pi 4
+### for Raspberry Pi 2/3
 
-Edit [`rtmouse.c`](https://github.com/rt-net/RaspberryPiMouse/blob/dd0343449951a99b067e24aef3c03ae5ed9ab936/src/drivers/rtmouse.c#L54) to change the defined value `RASPBERRYPI` from '2' to '4'.
+Edit [`rtmouse.c`](https://github.com/rt-net/RaspberryPiMouse/blob/3.2.0/src/drivers/rtmouse.c#L54) to change the defined value `RASPBERRYPI` from '4' to '2'.
 
-Raspberry Pi 4ではCPUのレジスタがそれまでのRaspberry Piとは異なります（[issues#21](https://github.com/rt-net/RaspberryPiMouse/issues/21)）。  
-Raspberry Pi 4で本ドライバを使用する際には`rtmouse.c`の以下の行（2020年4月13日現在の最新版のv2.1.0では[54行目](https://github.com/rt-net/RaspberryPiMouse/blob/dd0343449951a99b067e24aef3c03ae5ed9ab936/src/drivers/rtmouse.c#L54)）を`RASPBERRYPI 4`に書き換えてビルドする必要があります。  
-※[`./utils/build_install.bash`](./utils/build_install.bash)を実行すると、Raspberry Piのモデルに合わせて[`rtmouse.c`](./src/drivers/rtmouse.c)が[自動で書き換わります](https://github.com/rt-net/RaspberryPiMouse/blob/a9af4fa2b2a8e34c0f93a6ce5cf88ebd50ff39c2/utils/build_install.raspi4ubuntu.bash#L13-L14)。
+Raspberry Pi 2/3ではCPUのレジスタがRaspberry Pi 4とは異なります（[issues#21](https://github.com/rt-net/RaspberryPiMouse/issues/21)）。  
+Raspberry Pi 2/3で本ドライバを使用する際には`rtmouse.c`の以下の行（2022年4月現在の最新版の3.2.0では[54行目](https://github.com/rt-net/RaspberryPiMouse/blob/3.2.0/src/drivers/rtmouse.c#L54)）を`RASPBERRYPI 2`に書き換えてビルドする必要があります。  
+※[`./utils/build_install.bash`](./utils/build_install.bash)を実行すると、Raspberry Piのモデルに合わせて[`rtmouse.c`](./src/drivers/rtmouse.c)が自動で書き換わります。
 
 ```c
 // define the Raspberry Pi version here
diff --git a/src/drivers/rtmouse.c b/src/drivers/rtmouse.c
index db5867e..3a1ece3 100644
--- a/src/drivers/rtmouse.c
+++ b/src/drivers/rtmouse.c
@@ -51,11 +51,11 @@
 // Raspberry Pi 2 B        : 2
 // Raspberry Pi 3 B/A+/B+  : 2
 // Raspberry Pi 4 B        : 4
-#define RASPBERRYPI 2
+#define RASPBERRYPI 4
 
 MODULE_AUTHOR("RT Corporation");
 MODULE_LICENSE("GPL");
-MODULE_VERSION("3.2.0");
+MODULE_VERSION("3.3.0");
 MODULE_DESCRIPTION("Raspberry Pi Mouse device driver");
 
 /* --- Device Numbers --- */
diff --git a/utils/build_install_header_from_apt_raspi2.bash b/utils/build_install_header_from_apt_raspi2.bash
index 0826cd3..abe9668 100755
--- a/utils/build_install_header_from_apt_raspi2.bash
+++ b/utils/build_install_header_from_apt_raspi2.bash
@@ -10,6 +10,8 @@ cd $SRC_DIR/src/drivers/
 rm Makefile
 ln -s Makefile.header_from_apt Makefile
 make clean
+# Update for Raspberry Pi 2/3
+sed -i -e "s/#define RASPBERRYPI 4/#define RASPBERRYPI 2/g" rtmouse.c
 make
 sudo insmod rtmouse.ko
 
diff --git a/utils/build_install_header_from_apt_raspi4.bash b/utils/build_install_header_from_apt_raspi4.bash
index 482d675..0826cd3 100755
--- a/utils/build_install_header_from_apt_raspi4.bash
+++ b/utils/build_install_header_from_apt_raspi4.bash
@@ -10,8 +10,6 @@ cd $SRC_DIR/src/drivers/
 rm Makefile
 ln -s Makefile.header_from_apt Makefile
 make clean
-# Update for Raspberry Pi 4
-sed -i -e "s/#define RASPBERRYPI 2/#define RASPBERRYPI 4/g" rtmouse.c
 make
 sudo insmod rtmouse.ko
 
diff --git a/utils/build_install_header_from_source_raspi2.bash b/utils/build_install_header_from_source_raspi2.bash
index 1bf52ba..461ae8f 100755
--- a/utils/build_install_header_from_source_raspi2.bash
+++ b/utils/build_install_header_from_source_raspi2.bash
@@ -10,6 +10,8 @@ cd $SRC_DIR/src/drivers/
 rm Makefile
 ln -s Makefile.header_from_source Makefile
 make clean
+# Update for Raspberry Pi 2/3
+sed -i -e "s/#define RASPBERRYPI 4/#define RASPBERRYPI 2/g" rtmouse.c
 make 
 sudo insmod rtmouse.ko
 
diff --git a/utils/build_install_header_from_source_raspi4.bash b/utils/build_install_header_from_source_raspi4.bash
index a09aabb..1bf52ba 100755
--- a/utils/build_install_header_from_source_raspi4.bash
+++ b/utils/build_install_header_from_source_raspi4.bash
@@ -10,8 +10,6 @@ cd $SRC_DIR/src/drivers/
 rm Makefile
 ln -s Makefile.header_from_source Makefile
 make clean
-# Update for Raspberry Pi 4
-sed -i -e "s/#define RASPBERRYPI 2/#define RASPBERRYPI 4/g" rtmouse.c
 make 
 sudo insmod rtmouse.ko
 

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