diff --git a/src/ui/pokedex-page-ui-handler.ts b/src/ui/pokedex-page-ui-handler.ts
index da1b8960a00..1c43e8abc33 100644
--- a/src/ui/pokedex-page-ui-handler.ts
+++ b/src/ui/pokedex-page-ui-handler.ts
@@ -248,7 +248,7 @@ export default class PokedexPageUiHandler extends MessageUiHandler {
   private menuDescriptions: string[];
 
   private availableVariants: number;
-  unlockedVariants: boolean[];
+  private unlockedVariants: boolean[];
 
   constructor() {
     super(Mode.POKEDEX_PAGE);