diff --git a/src/game/game_0125a0.c b/src/game/game_0125a0.c
index 4bee4bcff..8e8e7fa11 100644
--- a/src/game/game_0125a0.c
+++ b/src/game/game_0125a0.c
@@ -340,7 +340,7 @@ glabel func0f012684
 /*  f012a60:	8e240284 */ 	lw	$a0,0x284($s1)
 /*  f012a64:	3c057f11 */ 	lui	$a1,%hi(currentPlayerFlipAnimation)
 /*  f012a68:	24a53220 */ 	addiu	$a1,$a1,%lo(currentPlayerFlipAnimation)
-/*  f012a6c:	0c0077a6 */ 	jal	func0001de98
+/*  f012a6c:	0c0077a6 */ 	jal	modelSetAnimFlipFunction
 /*  f012a70:	2484045c */ 	addiu	$a0,$a0,0x45c
 /*  f012a74:	0fc44c8f */ 	jal	currentPlayerUpdateIdleHeadRoll
 /*  f012a78:	00000000 */ 	nop
diff --git a/src/game/game_113220.c b/src/game/game_113220.c
index 752feda22..440d2c68d 100644
--- a/src/game/game_113220.c
+++ b/src/game/game_113220.c
@@ -678,7 +678,7 @@ glabel func0f113f10
 /*  f114028:	8c84a244 */ 	lw	$a0,%lo(g_Vars+0x284)($a0)
 /*  f11402c:	3c057f11 */ 	lui	$a1,%hi(currentPlayerFlipAnimation)
 /*  f114030:	24a53220 */ 	addiu	$a1,$a1,%lo(currentPlayerFlipAnimation)
-/*  f114034:	0c0077a6 */ 	jal	func0001de98
+/*  f114034:	0c0077a6 */ 	jal	modelSetAnimFlipFunction
 /*  f114038:	2484045c */ 	addiu	$a0,$a0,1116
 /*  f11403c:	3c0a800a */ 	lui	$t2,%hi(g_Vars+0x284)
 /*  f114040:	8fa20028 */ 	lw	$v0,0x28($sp)
diff --git a/src/include/lib/lib_1a500.h b/src/include/lib/lib_1a500.h
index b8c81d4f4..9a251ae7d 100644
--- a/src/include/lib/lib_1a500.h
+++ b/src/include/lib/lib_1a500.h
@@ -66,7 +66,7 @@ void modelSetAnimation(struct model *model, s16 animnum, s32 flip, f32 fstartfra
 u32 func0001dd90(void);
 void modelSetAnimLooping(struct model *model, f32 loopframe, f32 loopmerge);
 void modelSetAnimEndFrame(struct model *model, f32 endframe);
-u32 func0001de98(void);
+void modelSetAnimFlipFunction(struct model *model, void *callback);
 void modelSetAnimSpeed(struct model *model, f32 speed, f32 startframe);
 void modelSetAnimSpeedAuto(struct model *model, f32 arg1, f32 startframe);
 void modelSetAnimPlaySpeed(struct model *model, f32 speed, f32 frame);
diff --git a/src/include/types.h b/src/include/types.h
index db7d757b5..cc51f37c1 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -138,7 +138,7 @@ struct anim {
 	/*0x5c*/ f32 elapsemerge;
 	/*0x60*/ f32 loopframe;
 	/*0x64*/ f32 loopmerge;
-	/*0x68*/ u32 unk68;
+	/*0x68*/ void *flipfunc;
 	/*0x6c*/ u32 unk6c;
 	/*0x70*/ void *unk70; // pointer to function
 	/*0x74*/ f32 playspeed;
diff --git a/src/lib/lib_1a500.c b/src/lib/lib_1a500.c
index 28b9ea742..fe8a7e71c 100644
--- a/src/lib/lib_1a500.c
+++ b/src/lib/lib_1a500.c
@@ -3989,16 +3989,12 @@ void modelSetAnimEndFrame(struct model *model, f32 endframe)
 	}
 }
 
-GLOBAL_ASM(
-glabel func0001de98
-/*    1de98:	8c820020 */ 	lw	$v0,0x20($a0)
-/*    1de9c:	10400002 */ 	beqz	$v0,.L0001dea8
-/*    1dea0:	00000000 */ 	nop
-/*    1dea4:	ac450068 */ 	sw	$a1,0x68($v0)
-.L0001dea8:
-/*    1dea8:	03e00008 */ 	jr	$ra
-/*    1deac:	00000000 */ 	nop
-);
+void modelSetAnimFlipFunction(struct model *model, void *callback)
+{
+	if (model->anim) {
+		model->anim->flipfunc = callback;
+	}
+}
 
 void modelSetAnimSpeed(struct model *model, f32 speed, f32 startframe)
 {
@@ -9911,7 +9907,7 @@ void animInitialise(struct anim *anim)
 	anim->animnum = 0;
 	anim->animnum2 = 0;
 	anim->looping = 0;
-	anim->unk68 = 0;
+	anim->flipfunc = NULL;
 	anim->unk6c = 0;
 	anim->unk70 = NULL;
 	anim->average = 0;