diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index d7072d717e1..908a8464d84 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -1111,7 +1111,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
       return undefined;
     }
 
-    return this.getAttackMoveEffectiveness(source, move, true);
+    return this.getAttackMoveEffectiveness(source, move, !this.battleData?.abilityRevealed);
   }
 
   /**
@@ -3821,6 +3821,7 @@ export class PokemonBattleData {
   public endured: boolean = false;
   public berriesEaten: BerryType[] = [];
   public abilitiesApplied: Abilities[] = [];
+  public abilityRevealed: boolean = false;
 }
 
 export class PokemonBattleSummonData {
diff --git a/src/phases.ts b/src/phases.ts
index d01b83d837a..53ccd110f9c 100644
--- a/src/phases.ts
+++ b/src/phases.ts
@@ -3122,7 +3122,10 @@ export class ShowAbilityPhase extends PokemonPhase {
   start() {
     super.start();
 
-    this.scene.abilityBar.showAbility(this.getPokemon(), this.passive);
+    const pokemon = this.getPokemon();
+
+    this.scene.abilityBar.showAbility(pokemon, this.passive);
+    pokemon.battleData.abilityRevealed = true;
 
     this.end();
   }