diff --git a/src/game/dlights.c b/src/game/dlights.c
index aa0b3bb37..40b24f92b 100644
--- a/src/game/dlights.c
+++ b/src/game/dlights.c
@@ -311,20 +311,10 @@ glabel func0f000b24
 /*  f000c24:	00000000 */ 	nop
 );
 
-GLOBAL_ASM(
-glabel roomGetBrightness
-/*  f000c28:	000478c0 */ 	sll	$t7,$a0,0x3
-/*  f000c2c:	01e47821 */ 	addu	$t7,$t7,$a0
-/*  f000c30:	3c0e800a */ 	lui	$t6,%hi(g_Rooms)
-/*  f000c34:	8dce4928 */ 	lw	$t6,%lo(g_Rooms)($t6)
-/*  f000c38:	000f7880 */ 	sll	$t7,$t7,0x2
-/*  f000c3c:	01e47823 */ 	subu	$t7,$t7,$a0
-/*  f000c40:	000f7880 */ 	sll	$t7,$t7,0x2
-/*  f000c44:	01cfc021 */ 	addu	$t8,$t6,$t7
-/*  f000c48:	87190050 */ 	lh	$t9,0x50($t8)
-/*  f000c4c:	03e00008 */ 	jr	$ra
-/*  f000c50:	332200ff */ 	andi	$v0,$t9,0xff
-);
+u8 roomGetBrightness(s32 room)
+{
+	return g_Rooms[room].brightness & 0xff;
+}
 
 GLOBAL_ASM(
 glabel func0f000c54
diff --git a/src/include/game/dlights.h b/src/include/game/dlights.h
index 6f153a090..9d0e3d552 100644
--- a/src/include/game/dlights.h
+++ b/src/include/game/dlights.h
@@ -8,7 +8,7 @@ u32 func0f00097c(void);
 u32 func0f0009c0(void);
 u32 func0f000a10(void);
 u32 func0f000b24(void);
-s32 roomGetBrightness(s16 room);
+u8 roomGetBrightness(s32 room);
 u32 func0f000c54(void);
 u32 func0f000cc4(void);
 u32 func0f000dbc(void);
diff --git a/src/include/types.h b/src/include/types.h
index f12ec39d4..3a1622ae2 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -3377,7 +3377,7 @@ struct room {
 	/*0x4c*/ u8 unk4c;
 	/*0x4d*/ u8 unk4d;
 	/*0x4e*/ struct roombitfield bitfield;
-	/*0x50*/ u32 unk50;
+	/*0x50*/ s16 brightness;
 	/*0x54*/ u32 unk54;
 	/*0x58*/ u32 unk58;
 	/*0x5c*/ u32 unk5c;