diff --git a/src/data/ability.ts b/src/data/ability.ts
index 5994622048c..3500b4924cb 100644
--- a/src/data/ability.ts
+++ b/src/data/ability.ts
@@ -2452,7 +2452,7 @@ export class PostSummonTransformAbAttr extends PostSummonAbAttr {
     }
 
     pokemon.summonData.moveset = target.getMoveset().map(m => {
-      const pp = m?.getMove().pp!;
+      const pp = m?.getMove().pp ?? 0;
       // if PP value is less than 5, do nothing. If greater, we need to reduce the value to 5 using a negative ppUp value.
       const ppUp = pp <= 5 ? 0 : (5 - pp) / Math.max(Math.floor(pp / 5), 1);
       return new PokemonMove(m?.moveId ?? Moves.NONE, 0, ppUp);