diff --git a/arch/sh/kernel/cpu/clock-cpg.c b/arch/sh/kernel/cpu/clock-cpg.c
index 2827abb5d2abc21df11cf1aa202b1de805974985..72a5e621a9bbcdbe54b1adeed575e77e69315a8a 100644
--- a/arch/sh/kernel/cpu/clock-cpg.c
+++ b/arch/sh/kernel/cpu/clock-cpg.c
@@ -192,8 +192,8 @@ static int sh_clk_div4_set_rate(struct clk *clk, unsigned long rate, int algo_id
 		return idx;
 
 	value = __raw_readl(clk->enable_reg);
-	value &= ~0xf;
-	value |= idx;
+	value &= ~(0xf << clk->enable_bit);
+	value |= (idx << clk->enable_bit);
 	__raw_writel(value, clk->enable_reg);
 
 	return 0;