diff --git a/src/data/challenge.ts b/src/data/challenge.ts
index 10fb9c55d3d..b6d123ce933 100644
--- a/src/data/challenge.ts
+++ b/src/data/challenge.ts
@@ -456,8 +456,8 @@ export class SingleGenerationChallenge extends Challenge {
   }
 
   applyPokemonInBattle(pokemon: Pokemon, valid: Utils.BooleanHolder): boolean {
-    const baseGeneration = pokemon.species.speciesId === Species.VICTINI ? 5 : getPokemonSpecies(pokemon.species.speciesId).generation;
-    const fusionGeneration = pokemon.isFusion() ? pokemon.fusionSpecies?.speciesId === Species.VICTINI ? 5 : getPokemonSpecies(pokemon.fusionSpecies!.speciesId).generation : 0; // TODO: is the bang on fusionSpecies correct?
+    const baseGeneration = getPokemonSpecies(pokemon.species.speciesId).generation;
+    const fusionGeneration = pokemon.isFusion() ? getPokemonSpecies(pokemon.fusionSpecies!.speciesId).generation : 0; // TODO: is the bang on fusionSpecies correct?
     if (pokemon.isPlayer() && (baseGeneration !== this.value || (pokemon.isFusion() && fusionGeneration !== this.value))) {
       valid.value = false;
       return true;