diff --git a/source/arm11/open_agb_firm.c b/source/arm11/open_agb_firm.c
index 4b4bcf6..c516d35 100644
--- a/source/arm11/open_agb_firm.c
+++ b/source/arm11/open_agb_firm.c
@@ -161,17 +161,18 @@ static atp_pageopt_t config_adjust( atp_callerdata_t data, atp_counter_t index,
 		if( l || x ) 
 		{
 			light -= 10;
-			if( light % 10 ) light = light + (10-light%10);
+			if( light % 10 ) light += 10 - light%10;
 		}
 		else if( r || y ) 
 		{
 			light += 10;
-			if( light % 10 ) light = light - light % 10;
+			if( light % 10 ) light -= light % 10;
 		}
 		if( light > LIGHT_MAX ) light = LIGHT_MAX;
 		else if( light < LIGHT_MIN ) light = LIGHT_MIN;
 		g_oafConfig.backlight = light;
 	}
+	g_oafConfig.saveOverride = !g_oafConfig.saveOverride;
 	return ATP_PAGE_UPDATE;
 }