diff --git a/src/game/game_102240.c b/src/game/game_102240.c
index af0bdf6f4..21ef71719 100644
--- a/src/game/game_102240.c
+++ b/src/game/game_102240.c
@@ -1932,7 +1932,7 @@ s32 menuhandlerBuddyOptionsContinue(u32 operation, struct menu_item *item, s32 *
 }
 
 GLOBAL_ASM(
-glabel func0f10408c
+glabel getMaxAiBuddies
 /*  f10408c:	3c0e800a */ 	lui	$t6,0x800a
 /*  f104090:	8dcedfe8 */ 	lw	$t6,-0x2018($t6)
 /*  f104094:	24180001 */ 	addiu	$t8,$zero,0x1
@@ -1970,14 +1970,14 @@ glabel func0f10408c
 );
 
 GLOBAL_ASM(
-glabel menudialog00104104
+glabel menudialogCoopAntiOptions
 /*  f104104:	27bdffe0 */ 	addiu	$sp,$sp,-32
 /*  f104108:	24010064 */ 	addiu	$at,$zero,0x64
 /*  f10410c:	afbf0014 */ 	sw	$ra,0x14($sp)
 /*  f104110:	afa50024 */ 	sw	$a1,0x24($sp)
 /*  f104114:	1481000a */ 	bne	$a0,$at,.L0f104140
 /*  f104118:	afa60028 */ 	sw	$a2,0x28($sp)
-/*  f10411c:	0fc41023 */ 	jal	func0f10408c
+/*  f10411c:	0fc41023 */ 	jal	getMaxAiBuddies
 /*  f104120:	afa40020 */ 	sw	$a0,0x20($sp)
 /*  f104124:	3c0e800a */ 	lui	$t6,0x800a
 /*  f104128:	8dcea434 */ 	lw	$t6,-0x5bcc($t6)
@@ -2028,6 +2028,35 @@ glabel menudialog00104104
 /*  f1041d0:	00000000 */ 	sll	$zero,$zero,0x0
 );
 
+// Commented because this function suggests that the 3rd argument to menudialog
+// functions is either not a menustackitem or is using unions.
+// It uses offset 0x0a, but 0x08 is a 4 byte pointer.
+//bool menudialogCoopAntiOptions(u32 operation, struct menu_dialog *dialog, struct menustackitem *stackitem)
+//{
+//	if (operation == MENUOP_100) {
+//		s32 max = getMaxAiBuddies();
+//
+//		if (g_Vars.numaibuddies > max) {
+//			g_Vars.numaibuddies = max;
+//		}
+//	}
+//
+//	if (operation == MENUOP_102) {
+//		if (g_MenuStack[g_MpPlayerNum].unk00 &&
+//				g_MenuStack[g_MpPlayerNum].unk00->dialog == dialog) {
+//			struct menustackitem00 *unk00 = stackitem->unk00;
+//
+//			if (unk00->unk0a) {
+//				menuhandlerBuddyOptionsContinue(MENUOP_SET, NULL, NULL);
+//			}
+//
+//			unk00->unk0a = 0;
+//		}
+//	}
+//
+//	return 0;
+//}
+
 s32 menuhandlerCoopRadar(u32 operation, struct menu_item *item, bool *enable)
 {
 	switch (operation) {
@@ -2083,7 +2112,7 @@ glabel menuhandlerCoopBuddy
 /*  f1042fc:	10000044 */ 	beqz	$zero,.L0f104410
 /*  f104300:	00001025 */ 	or	$v0,$zero,$zero
 .L0f104304:
-/*  f104304:	0fc41023 */ 	jal	func0f10408c
+/*  f104304:	0fc41023 */ 	jal	getMaxAiBuddies
 /*  f104308:	00000000 */ 	sll	$zero,$zero,0x0
 /*  f10430c:	afa20030 */ 	sw	$v0,0x30($sp)
 /*  f104310:	0c005013 */ 	jal	func0001404c
diff --git a/src/include/game/game_102240.h b/src/include/game/game_102240.h
index 8dafefaec..cd1d8eafa 100644
--- a/src/include/game/game_102240.h
+++ b/src/include/game/game_102240.h
@@ -10,7 +10,7 @@ u32 func0f103550(void);
 f32 func0f1036ac(s32 arg0, s32 arg1);
 bool isStageDifficultyUnlocked(s32 stageindex, s32 difficulty);
 u32 func0f103e68(void);
-u32 func0f10408c(void);
+u32 getMaxAiBuddies(void);
 u32 func0f104664(void);
 u32 func0f104720(void);
 u32 func0f105664(void);
@@ -27,7 +27,7 @@ u32 func0f106a7c(void);
 u32 func0f106b20(void);
 s32 menudialog00103368(u32, u32, u32 *);
 void menudialog00103608(void);
-s32 menudialog00104104(u32, u32, u32 *);
+bool menudialogCoopAntiOptions(u32 operation, struct menu_dialog *dialog, struct menustackitem *stackitem);
 s32 menudialog0010559c(u32, u32, u32 *);
 s32 menudialog00105c54(u32, u32, u32 *);
 s32 menudialog001063d4(u32, u32, u32 *);
diff --git a/src/include/gvars/gvars.h b/src/include/gvars/gvars.h
index 12eec358e..0582fe38b 100644
--- a/src/include/gvars/gvars.h
+++ b/src/include/gvars/gvars.h
@@ -153,7 +153,7 @@ struct g_vars {
 	/*000468*/ bool speedpillon;
 	/*00046c*/ bool restartlevel;
 	/*000470*/ u32 perfectbuddynum;
-	/*000474*/ u32 numaibuddies;
+	/*000474*/ s32 numaibuddies;
 	/*000478*/ u32 unk000478;
 	/*00047c*/ u32 unk00047c;
 	/*000480*/ u32 unk000480;
diff --git a/src/setup/setup_0160b0.c b/src/setup/setup_0160b0.c
index 9d1899d6d..20105a1b0 100644
--- a/src/setup/setup_0160b0.c
+++ b/src/setup/setup_0160b0.c
@@ -1676,7 +1676,7 @@ struct menu_dialog g_CoopOptionsMenuDialog = {
 	MENUDIALOGTYPE_DEFAULT,
 	0x56ff, // "Co-Operative Options"
 	menuitems_cooperativeoptions,
-	menudialog00104104,
+	menudialogCoopAntiOptions,
 	0x00000004,
 	NULL,
 };
@@ -1696,7 +1696,7 @@ struct menu_dialog g_AntiOptionsMenuDialog = {
 	MENUDIALOGTYPE_DEFAULT,
 	0x570a, // "Counter-Operative Options"
 	menuitems_counteroperativeoptions,
-	menudialog00104104,
+	menudialogCoopAntiOptions,
 	0x00000004,
 	NULL,
 };