diff --git a/AUTHORS b/AUTHORS
index 3168c05..4a9ef7a 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -34,7 +34,7 @@ NIIBE Yutaka:
 	eventflag.c, eventflag.h
     Wrote the drivers mcu/*:
 	chx-gnu-linux.c, chx-mkl27z.c, chx-stm32f0.c, chx-stm32f103.c,
-    	clk_gpio_init-mkl27z.c, clk_gpio_init-stm32.c,
+    	clk_gpio_init-mkl27z.c, clk_gpio_init-stm32f.c,
 	cortex-m.h, mkl27z.h, stm32.h, stm32f103.h,
 	sys-gnu-linux.c,sys-gnu-linux.h,
 	sys-mkl27z.c, sys-mkl27z.h,
diff --git a/ChangeLog b/ChangeLog
index 2450cc3..fc35cbc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2019-04-10  NIIBE Yutaka  <gniibe@fsij.org>
 
+	* mcu/clk_gpio_init-stm32f.c: Rename from clk_gpio_init-stm32.c.
+
 	* entry.c: Use STM32F10X_HD.
 	* board/board-stbee.h (STM32F10X_HD): Add.
 	* board/board-stm32-primer2.h (STM32F10X_HD): Add.
diff --git a/entry.c b/entry.c
index e93442f..4547d54 100644
--- a/entry.c
+++ b/entry.c
@@ -61,7 +61,7 @@ main (int argc, const char *argv[])
 #elif defined (MCU_STM32L4)
 #include "mcu/clk_gpio_init-stm32l.c"
 #else
-#include "mcu/clk_gpio_init-stm32.c"
+#include "mcu/clk_gpio_init-stm32f.c"
 #endif
 #endif
 
diff --git a/mcu/clk_gpio_init-stm32.c b/mcu/clk_gpio_init-stm32f.c
similarity index 100%
rename from mcu/clk_gpio_init-stm32.c
rename to mcu/clk_gpio_init-stm32f.c
diff --git a/mcu/sys-stm32f0.c b/mcu/sys-stm32f0.c
index cd3f60e..bfbe722 100644
--- a/mcu/sys-stm32f0.c
+++ b/mcu/sys-stm32f0.c
@@ -20,7 +20,7 @@
 
 #define STM32F0_USE_VECTOR_ON_RAM
 #include "mcu/cortex-m.h"
-#include "mcu/clk_gpio_init-stm32.c"
+#include "mcu/clk_gpio_init-stm32f.c"
 
 
 static void
diff --git a/mcu/sys-stm32f103.c b/mcu/sys-stm32f103.c
index 2884385..13b8d9c 100644
--- a/mcu/sys-stm32f103.c
+++ b/mcu/sys-stm32f103.c
@@ -18,7 +18,7 @@
 #include <stdlib.h>
 #include "board.h"
 
-#include "mcu/clk_gpio_init-stm32.c"
+#include "mcu/clk_gpio_init-stm32f.c"
 
 
 static void