diff --git a/web/src/app/shared/services/classifications/classification-categories.service.ts b/web/src/app/shared/services/classifications/classification-categories.service.ts
index 6075385e6f..118cab0f1a 100644
--- a/web/src/app/shared/services/classifications/classification-categories.service.ts
+++ b/web/src/app/shared/services/classifications/classification-categories.service.ts
@@ -15,14 +15,11 @@ export interface CategoriesResponse { [key: string]: string[] }
 
 @Injectable()
 export class ClassificationCategoriesService {
-  private mainUrl = environment.taskanaRestUrl;
-  private urlCategoriesByType = `${this.mainUrl}/v1/classifications-by-type`;
-
   constructor(private httpClient: HttpClient) {}
 
   // TODO: convert to Map (maybe via ES6)
   getClassificationCategoriesByType(): Observable<CategoriesResponse> {
-    return this.httpClient.get<CategoriesResponse>(this.urlCategoriesByType);
+    return this.httpClient.get<CategoriesResponse>(`${environment.taskanaRestUrl}/v1/classifications-by-type`);
   }
 
   getCustomisation(): Observable<Customisation> {
diff --git a/web/src/app/store/classification-store/classification.state.ts b/web/src/app/store/classification-store/classification.state.ts
index 9b0a777e36..400a66f88f 100644
--- a/web/src/app/store/classification-store/classification.state.ts
+++ b/web/src/app/store/classification-store/classification.state.ts
@@ -34,7 +34,8 @@ export class ClassificationState {
     );
   }
 
-  ngxsOnInit(ctx: StateContext<ClassificationStateModel>): void {
+  // initialize after Startup service has configured the taskanaRestUrl properly.
+  ngxsAfterBootstrap(ctx: StateContext<ClassificationStateModel>): void {
     ctx.dispatch(new InitializeStore());
   }
 }