diff --git a/src/phases.ts b/src/phases.ts
index e080fc90a80..c40dfd40f9a 100644
--- a/src/phases.ts
+++ b/src/phases.ts
@@ -2919,7 +2919,7 @@ export class PostTurnStatusEffectPhase extends PokemonPhase {
         this.scene.queueMessage(getPokemonMessage(pokemon, getStatusEffectActivationText(pokemon.status.effect)));
 
         let netEffect = 0;  // This variable now handles both healing and damage
-        const isHealing = pokemon.hasAbility(Abilities.POISON_HEAL); // Added check for both Ability and the new Passives
+        const isHealing = pokemon.hasAbility.id === Abilities.POISON_HEAL; // Added check for both Ability and the new Passives
 
         switch (pokemon.status.effect) {
           case StatusEffect.POISON: