diff --git a/arch/sh/include/asm/config.h b/arch/sh/include/asm/config.h
index 406156d..09a15da 100644
--- a/arch/sh/include/asm/config.h
+++ b/arch/sh/include/asm/config.h
@@ -11,6 +11,6 @@
 /* Timer */
 #define CONFIG_SYS_TIMER_COUNTS_DOWN
 #define CONFIG_SYS_TIMER_COUNTER	(TMU_BASE + 0xc)	/* TCNT0 */
-#define CONFIG_SYS_TIMER_RATE		(CONFIG_SYS_CLK_FREQ / 4)
+#define CONFIG_SYS_TIMER_RATE		(get_board_sys_clk() / 4)
 
 #endif