diff --git a/asm/field_map_obj.s b/asm/field_map_obj.s
index 6cabf29339..681bb17079 100755
--- a/asm/field_map_obj.s
+++ b/asm/field_map_obj.s
@@ -5,29 +5,6 @@
 
 	.text
 
-	thumb_func_start FieldObjectFaceOppositeDirection
-@ bool8 FieldObjectFaceOppositeDirection(struct npc_state *fieldObject, u8 direction)
-FieldObjectFaceOppositeDirection: @ 809361C
-	push {r4,lr}
-	adds r4, r0, 0
-	lsls r0, r1, 24
-	lsrs r0, 24
-	bl GetOppositeDirection
-	lsls r0, 24
-	lsrs r0, 24
-	bl GetFaceDirectionAnimId
-	adds r1, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	adds r0, r4, 0
-	bl FieldObjectSetSpecialAnim
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end FieldObjectFaceOppositeDirection
-
 	thumb_func_start sub_8093648
 sub_8093648: @ 8093648
 	push {r4,lr}
diff --git a/src/field_map_obj.c b/src/field_map_obj.c
index a1eccc9cb5..6e25120003 100755
--- a/src/field_map_obj.c
+++ b/src/field_map_obj.c
@@ -4042,3 +4042,8 @@ dirn2anim_2(GetStepInPlaceDelay32AnimId, gUnknown_0850DBE1);
 dirn2anim_2(GetStepInPlaceDelay16AnimId, gUnknown_0850DBE6);
 dirn2anim_2(GetStepInPlaceDelay8AnimId, gUnknown_0850DBEB);
 dirn2anim_2(GetStepInPlaceDelay4AnimId, gUnknown_0850DBF0);
+
+bool8 FieldObjectFaceOppositeDirection(struct MapObject *mapObject, u8 direction)
+{
+    return FieldObjectSetSpecialAnim(mapObject, GetFaceDirectionAnimId(GetOppositeDirection(direction)));
+}