From 101e58e9ef7d6769486cca655af249976f3b9a24 Mon Sep 17 00:00:00 2001
From: frutescens <info@laptop>
Date: Tue, 1 Oct 2024 13:11:23 -0700
Subject: [PATCH] hsldklahdlhalhdlahldhlah

---
 src/data/battler-tags.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/data/battler-tags.ts b/src/data/battler-tags.ts
index 9ccb06c70ba..70b3f282eb0 100644
--- a/src/data/battler-tags.ts
+++ b/src/data/battler-tags.ts
@@ -2631,7 +2631,10 @@ export class ImprisonTag extends MoveRestrictionBattlerTag {
    * @returns source pokemon {@linkcode Pokemon} or undefined
    */
   private retrieveSource(scene: BattleScene): Pokemon | undefined {
-    return scene.getPokemonById(this.sourceId);
+    if (this.sourceId) {
+      return scene.getPokemonById(this.sourceId) ?? undefined;
+    }
+    return undefined;
   }
 }