diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index db10d01..a4481df 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -161,7 +161,7 @@
 config BACKLIGHT_ATMEL_LCDC
 	bool "Atmel LCDC Contrast-as-Backlight control"
 	depends on FB_ATMEL
-	default y if MACH_SAM9261EK || MACH_SAM9G10EK || MACH_SAM9263EK
+	default y if MACH_AT91SAM9261EK || MACH_AT91SAM9G10EK || MACH_AT91SAM9263EK
 	help
 	  This provides a backlight control internal to the Atmel LCDC
 	  driver.  If the LCD "contrast control" on your board is wired