From 83936185be26a0cd3b4b2f9ecdc7b04fd44bc16d Mon Sep 17 00:00:00 2001
From: DizzyEggg <jajkodizzy@wp.pl>
Date: Mon, 1 Apr 2019 15:08:19 +0200
Subject: [PATCH] Add precautions

---
 src/battle_anim_mon_movement.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/battle_anim_mon_movement.c b/src/battle_anim_mon_movement.c
index 250a0459f..1c42eb9e1 100644
--- a/src/battle_anim_mon_movement.c
+++ b/src/battle_anim_mon_movement.c
@@ -765,6 +765,11 @@ void AnimTask_SwayMon(u8 taskId)
         gBattleAnimArgs[1] = -gBattleAnimArgs[1];
 
     spriteId = GetAnimBattlerSpriteId(gBattleAnimArgs[4]);
+    if (spriteId == 0xff)
+    {
+        DestroyAnimVisualTask(taskId);
+        return;
+    }
     gTasks[taskId].data[0] = gBattleAnimArgs[0];
     gTasks[taskId].data[1] = gBattleAnimArgs[1];
     gTasks[taskId].data[2] = gBattleAnimArgs[2];