diff --git a/src/modifier/modifier-type.ts b/src/modifier/modifier-type.ts
index 938f73a1e08..3afeb79ff2b 100644
--- a/src/modifier/modifier-type.ts
+++ b/src/modifier/modifier-type.ts
@@ -791,10 +791,10 @@ export class EvolutionItemModifierType extends PokemonModifierType implements Ge
     super("", EvolutionItem[evolutionItem].toLowerCase(), (_type, args) => new Modifiers.EvolutionItemModifier(this, (args[0] as PlayerPokemon).id),
       (pokemon: PlayerPokemon) => {
         if (pokemonEvolutions.hasOwnProperty(pokemon.species.speciesId) && pokemonEvolutions[pokemon.species.speciesId].filter(e => e.item === this.evolutionItem
-          && (!e.condition || e.condition.predicate(pokemon)) && (e.preFormKey === pokemon.getFormKey())).length && (pokemon.getFormKey() !== SpeciesFormKey.GIGANTAMAX)) {
+          && (!e.condition || e.condition.predicate(pokemon)) && (e.preFormKey === null || e.preFormKey === pokemon.getFormKey())).length && (pokemon.getFormKey() !== SpeciesFormKey.GIGANTAMAX)) {
           return null;
         } else if (pokemon.isFusion() && pokemon.fusionSpecies && pokemonEvolutions.hasOwnProperty(pokemon.fusionSpecies.speciesId) && pokemonEvolutions[pokemon.fusionSpecies.speciesId].filter(e => e.item === this.evolutionItem
-        && (!e.condition || e.condition.predicate(pokemon)) && (e.preFormKey === pokemon.getFusionFormKey())).length && (pokemon.getFusionFormKey() !== SpeciesFormKey.GIGANTAMAX)) {
+        && (!e.condition || e.condition.predicate(pokemon)) && (e.preFormKey === null || e.preFormKey === pokemon.getFusionFormKey())).length && (pokemon.getFusionFormKey() !== SpeciesFormKey.GIGANTAMAX)) {
           return null;
         }