diff --git a/arch/arm/mach-rk3188/clock_data.c b/arch/arm/mach-rk3188/clock_data.c
index c04177a7b4b9..757098415340 100755
--- a/arch/arm/mach-rk3188/clock_data.c
+++ b/arch/arm/mach-rk3188/clock_data.c
@@ -3553,7 +3553,7 @@ static void __init rk30_clock_common_init(unsigned long gpll_rate, unsigned long
 	clk_set_parent_nolock(&aclk_gpu, &general_pll_clk);
 	clk_set_rate_nolock(&aclk_gpu, 200 * MHZ);
 	
-	clk_set_rate_nolock(&clk_uart0, 49500000);
+	clk_set_rate_nolock(&clk_uart0, 48000000);
 	clk_set_rate_nolock(&clk_sdmmc, 24750000);
 	clk_set_rate_nolock(&clk_sdio, 24750000);
 }