diff --git a/src/game/chr/chraicommands.c b/src/game/chr/chraicommands.c
index ee526bd23..1f6e7a0e4 100644
--- a/src/game/chr/chraicommands.c
+++ b/src/game/chr/chraicommands.c
@@ -6,6 +6,7 @@
 #include "game/game_0601b0.h"
 #include "gvars/gvars.h"
 #include "library/library.h"
+#include "setup/setup_000000.h"
 #include "setup/setup_0160b0.h"
 #include "setup/setup_020df0.h"
 
@@ -14298,21 +14299,14 @@ bool aiIfNotListening(void)
 /**
  * @cmd 0157
  */
-GLOBAL_ASM(
-glabel ai0157
-/*  f05c16c:	3c05800a */ 	lui	$a1,0x800a
-/*  f05c170:	24a59fc0 */ 	addiu	$a1,$a1,-24640
-/*  f05c174:	8ca40438 */ 	lw	$a0,0x438($a1)
-/*  f05c178:	8cae0434 */ 	lw	$t6,0x434($a1)
-/*  f05c17c:	3c018007 */ 	lui	$at,0x8007
-/*  f05c180:	24980003 */ 	addiu	$t8,$a0,0x3
-/*  f05c184:	01c41821 */ 	addu	$v1,$t6,$a0
-/*  f05c188:	906f0002 */ 	lbu	$t7,0x2($v1)
-/*  f05c18c:	00001025 */ 	or	$v0,$zero,$zero
-/*  f05c190:	ac2f98d0 */ 	sw	$t7,-0x6730($at)
-/*  f05c194:	03e00008 */ 	jr	$ra
-/*  f05c198:	acb80438 */ 	sw	$t8,0x438($a1)
-);
+bool aiSetTintedGlassEnabled(void)
+{
+	u8 *cmd = g_Vars.ailist + g_Vars.aioffset;
+	g_TintedGlassEnabled = cmd[2];
+	g_Vars.aioffset += 3;
+
+	return false;
+}
 
 /**
  * @cmd 0152
diff --git a/src/include/game/chr/chraicommands.h b/src/include/game/chr/chraicommands.h
index 990663a0a..87ed5410b 100644
--- a/src/include/game/chr/chraicommands.h
+++ b/src/include/game/chr/chraicommands.h
@@ -331,7 +331,7 @@
 /*0x014a*/ bool ai014a(void);
 /*0x014b*/ bool aiIfNotListening(void);
 /*0x0152*/ bool ai0152(void);
-/*0x0157*/ bool ai0157(void);
+/*0x0157*/ bool aiSetTintedGlassEnabled(void);
 /*0x015b*/ bool aiAudioPlayMusic(void);
 /*0x015c*/ bool aiAudioRestartMusic(void);
 /*0x0165*/ bool ai0165(void);
diff --git a/src/include/setup/setup_000000.h b/src/include/setup/setup_000000.h
index d9206302f..df8a26ed1 100644
--- a/src/include/setup/setup_000000.h
+++ b/src/include/setup/setup_000000.h
@@ -23,6 +23,7 @@ extern u16 g_CommandLengths[];
 
 extern struct coord var0000f00c;
 
+extern u32 g_TintedGlassEnabled;
 extern s32 g_AlarmActive;
 
 #endif
diff --git a/src/setup/setup_000000.c b/src/setup/setup_000000.c
index 6b5ec5e15..d21992471 100644
--- a/src/setup/setup_000000.c
+++ b/src/setup/setup_000000.c
@@ -14296,7 +14296,7 @@ bool (*command_pointers[])(void) = {
 	/*0x0154*/ NULL,
 	/*0x0155*/ NULL,
 	/*0x0156*/ NULL,
-	/*0x0157*/ ai0157,
+	/*0x0157*/ aiSetTintedGlassEnabled,
 	/*0x0158*/ NULL,
 	/*0x0159*/ NULL,
 	/*0x015a*/ NULL,
@@ -14939,7 +14939,9 @@ u32 var0000f8e0 = 0x00000000;
 u32 var0000f8e4 = 0x00000000;
 u32 var0000f8e8 = 0x00000000;
 u32 var0000f8ec = 0x00000000;
-u32 var0000f8f0 = 0x00000000;
+
+// f8f0
+u32 g_TintedGlassEnabled = 0;
 
 // f8f4
 s32 g_AlarmActive = 0;