diff --git a/src/game/dlights.c b/src/game/dlights.c
index 3f0ae3c77..299f73901 100644
--- a/src/game/dlights.c
+++ b/src/game/dlights.c
@@ -501,28 +501,18 @@ bool func0f000f94(s32 roomnum, s32 lightnum)
 	return light->unk05_04;
 }
 
-GLOBAL_ASM(
-glabel func0f000fbc
-/*  f000fbc:	27bdffe8 */ 	addiu	$sp,$sp,-24
-/*  f000fc0:	10800009 */ 	beqz	$a0,.L0f000fe8
-/*  f000fc4:	afbf0014 */ 	sw	$ra,0x14($sp)
-/*  f000fc8:	0fc0025f */ 	jal	roomGetLight
-/*  f000fcc:	00000000 */ 	nop
-/*  f000fd0:	944e0004 */ 	lhu	$t6,0x4($v0)
-/*  f000fd4:	000ec680 */ 	sll	$t8,$t6,0x1a
-/*  f000fd8:	07030004 */ 	bgezl	$t8,.L0f000fec
-/*  f000fdc:	00001825 */ 	or	$v1,$zero,$zero
-/*  f000fe0:	10000002 */ 	b	.L0f000fec
-/*  f000fe4:	24030001 */ 	addiu	$v1,$zero,0x1
-.L0f000fe8:
-/*  f000fe8:	00001825 */ 	or	$v1,$zero,$zero
-.L0f000fec:
-/*  f000fec:	8fbf0014 */ 	lw	$ra,0x14($sp)
-/*  f000ff0:	27bd0018 */ 	addiu	$sp,$sp,0x18
-/*  f000ff4:	00601025 */ 	or	$v0,$v1,$zero
-/*  f000ff8:	03e00008 */ 	jr	$ra
-/*  f000ffc:	00000000 */ 	nop
-);
+bool lightIsOn(s32 roomnum, s32 lightnum)
+{
+	bool on;
+
+	if (roomnum && roomGetLight(roomnum, lightnum)->on) {
+		on = true;
+	} else {
+		on = false;
+	}
+
+	return on;
+}
 
 GLOBAL_ASM(
 glabel func0f001000
diff --git a/src/game/game_13c510.c b/src/game/game_13c510.c
index 6678fd5d4..053d3852f 100644
--- a/src/game/game_13c510.c
+++ b/src/game/game_13c510.c
@@ -1403,7 +1403,7 @@ glabel func0f13d568
 /*  f13d864:	018d7021 */ 	addu	$t6,$t4,$t5
 /*  f13d868:	8dcf0014 */ 	lw	$t7,0x14($t6)
 /*  f13d86c:	85f80010 */ 	lh	$t8,0x10($t7)
-/*  f13d870:	0fc003ef */ 	jal	func0f000fbc
+/*  f13d870:	0fc003ef */ 	jal	lightIsOn
 /*  f13d874:	02382823 */ 	subu	$a1,$s1,$t8
 /*  f13d878:	10400200 */ 	beqz	$v0,.L0f13e07c
 /*  f13d87c:	3c013f80 */ 	lui	$at,0x3f80
diff --git a/src/include/game/dlights.h b/src/include/game/dlights.h
index 79ec1bd05..136c2266e 100644
--- a/src/include/game/dlights.h
+++ b/src/include/game/dlights.h
@@ -15,7 +15,7 @@ f32 func0f000dbc(s32 roomnum);
 u32 func0f000dfc(void);
 u32 func0f000f50(void);
 bool func0f000f94(s32 roomnum, s32 lightnum);
-u32 func0f000fbc(void);
+bool lightIsOn(s32 roomnum, s32 lightnum);
 u32 func0f001000(void);
 u32 func0f0010d8(void);
 u32 func0f001138(void);