diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index 1f55969c146..76bb1140cbf 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -1072,7 +1072,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
       applyStatMultiplierAbAttrs(StatMultiplierAbAttr, this, stat, statValue, simulated);
     }
     const ally = this.getAlly();
-    if (!!ally) {
+    if (ally) {
       applyAllyStatMultiplierAbAttrs(AllyStatMultiplierAbAttr, ally, stat, statValue, simulated, this, move?.hasFlag(MoveFlags.IGNORE_ABILITIES) || ignoreAllyAbility);
     }