diff --git a/arch/arm/mach-imx/mach-mx31moboard.c b/arch/arm/mach-imx/mach-mx31moboard.c
index 07034f4..d1a9337 100644
--- a/arch/arm/mach-imx/mach-mx31moboard.c
+++ b/arch/arm/mach-imx/mach-mx31moboard.c
@@ -505,7 +505,7 @@ static void mx31moboard_poweroff(void)
 	struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
 
 	if (!IS_ERR(clk))
-		clk_enable(clk);
+		clk_prepare_enable(clk);
 
 	mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);