diff --git a/src/phases.ts b/src/phases.ts
index 5a0b17b46df..4579d2c5ae3 100644
--- a/src/phases.ts
+++ b/src/phases.ts
@@ -3734,10 +3734,10 @@ export class FaintPhase extends PokemonPhase {
     // Track total times pokemon have been KO'd for supreme overlord/last respects
     if (pokemon.isPlayer()) {
       this.scene.currentBattle.playerFaints += 1;
-      this.scene.currentBattle.playerFaintsHistory = [...this.scene.currentBattle.playerFaintsHistory, {pokemon, turn: this.scene.currentBattle.turn}];
+      this.scene.currentBattle.playerFaintsHistory.push({pokemon, turn: this.scene.currentBattle.turn});
     } else {
       this.scene.currentBattle.enemyFaints += 1;
-      this.scene.currentBattle.enemyFaintsHistory = [...this.scene.currentBattle.enemyFaintsHistory, {pokemon, turn: this.scene.currentBattle.turn}];
+      this.scene.currentBattle.enemyFaintsHistory.push({pokemon, turn: this.scene.currentBattle.turn});
     }
 
     this.scene.queueMessage(i18next.t("battle:fainted", { pokemonNameWithAffix: getPokemonNameWithAffix(pokemon) }), null, true);