diff --git a/configs/sam3u-ek/src/up_lcd.c b/configs/sam3u-ek/src/up_lcd.c
index 5d4ad5343bd..050eb1ff08d 100644
--- a/configs/sam3u-ek/src/up_lcd.c
+++ b/configs/sam3u-ek/src/up_lcd.c
@@ -906,7 +906,7 @@ int up_lcdinitialize(void)
 
   /* Configure LCD Backlight Pin */
 
-  sam_configgpio(GPIO_LCD_D15);
+  sam_configgpio(GPIO_LCD_BKL);
 
   /* Enable SMC peripheral clock */