From 10752415dea42ecf075fef8273bb23a49bbcfee8 Mon Sep 17 00:00:00 2001
From: AJ Fontaine <fontbane@gmail.com>
Date: Thu, 20 Feb 2025 19:13:42 -0500
Subject: [PATCH] Add null check

---
 src/data/pokemon-species.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/data/pokemon-species.ts b/src/data/pokemon-species.ts
index 11bd7099670..2c2cf47278f 100644
--- a/src/data/pokemon-species.ts
+++ b/src/data/pokemon-species.ts
@@ -833,7 +833,7 @@ export default class PokemonSpecies extends PokemonSpeciesForm implements Locali
     if ( // If evolutions shouldn't happen, add more cases here :)
       !allowEvolving
       || !pokemonEvolutions.hasOwnProperty(this.speciesId)
-      || globalScene.currentBattle.waveIndex === 20 && globalScene.gameMode.isClassic && globalScene.currentBattle.trainer
+      || globalScene.currentBattle?.waveIndex === 20 && globalScene.gameMode.isClassic && globalScene.currentBattle.trainer
     ) {
       return this.speciesId;
     }