diff --git a/arch/arm/mach-bcm283x/include/mach/mbox.h b/arch/arm/mach-bcm283x/include/mach/mbox.h
index 2776a396c7..e3a893e49c 100644
--- a/arch/arm/mach-bcm283x/include/mach/mbox.h
+++ b/arch/arm/mach-bcm283x/include/mach/mbox.h
@@ -348,7 +348,7 @@ struct bcm2835_mbox_tag_depth {
 };
 
 #define BCM2835_MBOX_TAG_GET_PIXEL_ORDER	0x00040006
-#define BCM2835_MBOX_TAG_TEST_PIXEL_ORDER	0x00044005
+#define BCM2835_MBOX_TAG_TEST_PIXEL_ORDER	0x00044006
 #define BCM2835_MBOX_TAG_SET_PIXEL_ORDER	0x00048006
 
 #define BCM2835_MBOX_PIXEL_ORDER_BGR		0