diff --git a/src/game/game_166e40.c b/src/game/game_166e40.c
index 1cdbf160c..dad86c2a4 100644
--- a/src/game/game_166e40.c
+++ b/src/game/game_166e40.c
@@ -401,14 +401,10 @@ glabel func0f167200
 /*  f16727c:	27bd0018 */ 	addiu	$sp,$sp,0x18
 );
 
-GLOBAL_ASM(
-glabel fileGetSize
-/*  f167280:	000470c0 */ 	sll	$t6,$a0,0x3
-/*  f167284:	3c02800a */ 	lui	$v0,%hi(g_FileInfo)
-/*  f167288:	004e1021 */ 	addu	$v0,$v0,$t6
-/*  f16728c:	03e00008 */ 	jr	$ra
-/*  f167290:	8c426680 */ 	lw	$v0,%lo(g_FileInfo)($v0)
-);
+u32 fileGetSize(s32 filenum)
+{
+	return g_FileInfo[filenum].size;
+}
 
 GLOBAL_ASM(
 glabel func0f167294
diff --git a/src/include/types.h b/src/include/types.h
index e14207fcb..6bbf6647b 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -5867,7 +5867,7 @@ struct var800aabb8 {
 };
 
 struct fileinfo {
-	u32 unk00;
+	u32 size;
 	u32 unk04;
 };