diff --git a/src/lib/extension/base/StorageEntity.ts b/src/lib/extension/base/StorageEntity.ts
index 88be756..4b84fe1 100644
--- a/src/lib/extension/base/StorageEntity.ts
+++ b/src/lib/extension/base/StorageEntity.ts
@@ -24,7 +24,7 @@ export default abstract class StorageEntity<SettingsType extends Object = {}> {
     return this.#settings;
   }
 
-  public static readonly _entityName: string = "entity";
+  public static readonly _entityName: keyof App.EntityNamesMap | "entity" = "entity";
 
   async save() {
     await EntitiesController.updateEntity(
diff --git a/src/lib/extension/entities/MaintenanceProfile.ts b/src/lib/extension/entities/MaintenanceProfile.ts
index d9509c5..fd2dc82 100644
--- a/src/lib/extension/entities/MaintenanceProfile.ts
+++ b/src/lib/extension/entities/MaintenanceProfile.ts
@@ -30,5 +30,5 @@ export default class MaintenanceProfile extends StorageEntity<MaintenanceProfile
     return super.save();
   }
 
-  public static readonly _entityName = "profiles";
+  public static readonly _entityName: keyof App.EntityNamesMap = "profiles";
 }
diff --git a/src/lib/extension/entities/TagGroup.ts b/src/lib/extension/entities/TagGroup.ts
index 1f55523..e218e59 100644
--- a/src/lib/extension/entities/TagGroup.ts
+++ b/src/lib/extension/entities/TagGroup.ts
@@ -17,5 +17,5 @@ export default class TagGroup extends StorageEntity<TagGroupSettings> {
     });
   }
 
-  static _entityName = 'groups';
+  public static readonly _entityName: keyof App.EntityNamesMap = "groups";
 }