diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index fb4213a4e15a66ac06ff09070ec330d9463f0787..1657eac5dde2c1bfee1a3a4bd799e47a884d0c76 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -303,7 +303,7 @@ static struct sh_mobile_lcdc_info lcdc_info = {
 		.lcd_cfg = mackerel_lcdc_modes,
 		.num_cfg = ARRAY_SIZE(mackerel_lcdc_modes),
 		.interface_type		= RGB24,
-		.clock_divider		= 2,
+		.clock_divider		= 3,
 		.flags			= 0,
 		.lcd_size_cfg.width	= 152,
 		.lcd_size_cfg.height	= 91,