diff --git a/src/ui/starter-select-ui-handler.ts b/src/ui/starter-select-ui-handler.ts
index ff34c9db8..65434e8f9 100644
--- a/src/ui/starter-select-ui-handler.ts
+++ b/src/ui/starter-select-ui-handler.ts
@@ -831,7 +831,7 @@ export default class StarterSelectUiHandler extends MessageUiHandler {
         this.canCycleShiny = !!(dexEntry.caughtAttr & DexAttr.NON_SHINY && dexEntry.caughtAttr & DexAttr.SHINY);
         this.canCycleGender = !!(dexEntry.caughtAttr & DexAttr.MALE && dexEntry.caughtAttr & DexAttr.FEMALE);
         this.canCycleAbility = [ dexEntry.caughtAttr & DexAttr.ABILITY_1, dexEntry.caughtAttr & DexAttr.ABILITY_2, dexEntry.caughtAttr & DexAttr.ABILITY_HIDDEN ].filter(a => a).length > 1;
-        this.canCycleForm = species.forms.filter(f => !f.formKey || !pokemonFormChanges[species.speciesId].find(fc => fc.formKey))
+        this.canCycleForm = species.forms.filter(f => !f.formKey || !pokemonFormChanges[species.speciesId]?.find(fc => fc.formKey))
           .map((_, f) => dexEntry.caughtAttr & this.scene.gameData.getFormAttr(f)).filter(a => a).length > 1;
         this.canCycleNature = this.scene.gameData.getNaturesForAttr(dexEntry.natureAttr).length > 1;
       }