diff --git a/source/arm11/open_agb_firm.c b/source/arm11/open_agb_firm.c
index 01cbfdc..9c21562 100644
--- a/source/arm11/open_agb_firm.c
+++ b/source/arm11/open_agb_firm.c
@@ -877,7 +877,7 @@ Result oafParseConfigEarly(void)
 	return res;
 }
 
-u8 oafGetBacklightConfig(void)
+u16 oafGetBacklightConfig(void)
 {
 	return g_oafConfig.backlight;
 }