diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index d8acddecedf..16ad96f61cc 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -133,9 +133,6 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
       this.scene.applyModifiers(HiddenAbilityRateBoosterModifier, true, hiddenAbilityChance);
     }
 
-    const hasHiddenAbility = !Utils.randSeedInt(hiddenAbilityChance.value);
-    const randAbilityIndex = Utils.randSeedInt(2);
-
     this.species = species;
     this.pokeball = dataSource?.pokeball || PokeballType.POKEBALL;
     this.level = level;
@@ -146,6 +143,8 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
       this.abilityIndex = abilityIndex; // Use the provided ability index if it is defined
     } else {
       // If abilityIndex is not provided, determine it based on species and hidden ability
+      const hasHiddenAbility = !Utils.randSeedInt(hiddenAbilityChance.value);
+      const randAbilityIndex = Utils.randSeedInt(2);
       if (species.abilityHidden && hasHiddenAbility) {
         // If the species has a hidden ability and the hidden ability is present
         this.abilityIndex = 2;