diff --git a/src/data/abilities/ability.ts b/src/data/abilities/ability.ts
index 9e5bd8030d6..af1f7bab7bc 100644
--- a/src/data/abilities/ability.ts
+++ b/src/data/abilities/ability.ts
@@ -6949,7 +6949,7 @@ export function initAbilities() {
       .attr(TypeImmunityStatStageChangeAbAttr, PokemonType.ELECTRIC, Stat.SPD, 1)
       .ignorable(),
     new Ability(AbilityId.RIVALRY, 4)
-      .attr(MovePowerBoostAbAttr, (user, target, _move) => user?.gender !== Gender.GENDERLESS && target?.gender !== Gender.GENDERLESS && user?.gender === target?.gender, 1.25, true)
+      .attr(MovePowerBoostAbAttr, (user, target, _move) => user?.gender !== Gender.GENDERLESS && target?.gender !== Gender.GENDERLESS && user?.gender === target?.gender, 1.25)
       .attr(MovePowerBoostAbAttr, (user, target, _move) => user?.gender !== Gender.GENDERLESS && target?.gender !== Gender.GENDERLESS && user?.gender !== target?.gender, 0.75),
     new Ability(AbilityId.STEADFAST, 4)
       .attr(FlinchStatStageChangeAbAttr, [ Stat.SPD ], 1),