diff --git a/ui/src/components/Calendar.vue b/ui/src/components/Calendar.vue
index a9ef7ed..686a6d0 100644
--- a/ui/src/components/Calendar.vue
+++ b/ui/src/components/Calendar.vue
@@ -51,7 +51,7 @@ export default class extends Vue {
   };
 
   public door_hover(day: number) {
-    this.figure_caption = `Türchen ${day}`;
+    this.figure_caption = this.$advent22.name_door(day);
   }
 
   public door_unhover() {
@@ -63,7 +63,7 @@ export default class extends Vue {
   }
 
   public door_success(day: number, image_src: string) {
-    this.$refs.multi_modal.show_image(image_src, `Türchen ${day}`);
+    this.$refs.multi_modal.show_image(image_src, this.$advent22.name_door(day));
   }
 
   public door_failure(msg: string) {
diff --git a/ui/src/components/CalendarAssistant.vue b/ui/src/components/CalendarAssistant.vue
index 0287aa3..541ee37 100644
--- a/ui/src/components/CalendarAssistant.vue
+++ b/ui/src/components/CalendarAssistant.vue
@@ -91,7 +91,9 @@ export default class extends Vue {
 
     this.$advent22
       .api_get_blob(`images/${day}`)
-      .then((data) => this.$refs.multi_modal.show_image(data, `Türchen ${day}`))
+      .then((data) =>
+        this.$refs.multi_modal.show_image(data, this.$advent22.name_door(day)),
+      )
       .catch(() => this.$refs.multi_modal.set_active(false));
   }
 }
diff --git a/ui/src/plugins/advent22.ts b/ui/src/plugins/advent22.ts
index c9a1b71..0ee1087 100644
--- a/ui/src/plugins/advent22.ts
+++ b/ui/src/plugins/advent22.ts
@@ -24,6 +24,18 @@ export class Advent22 {
     return `//${window.location.hostname}:8000/api`;
   }
 
+  public name_door(day: number): string {
+    return `Türchen ${day}`;
+  }
+
+  public set_api_auth(username: string, password: string) {
+    this.api_auth = { username: username, password: password };
+  }
+
+  public clear_api_auth() {
+    this.api_auth = { username: "", password: "" };
+  }
+
   public api_url(): string;
   public api_url(endpoint: string): string;
   public api_url(endpoint?: string): string {
@@ -38,14 +50,6 @@ export class Advent22 {
     return `${this.api_baseurl}/${endpoint}`;
   }
 
-  public clear_api_auth() {
-    this.api_auth = { username: "", password: "" };
-  }
-
-  public set_api_auth(username: string, password: string) {
-    this.api_auth = { username: username, password: password };
-  }
-
   private _api_get<T>(endpoint: string): Promise<T>;
   private _api_get<T>(endpoint: string, responseType: ResponseType): Promise<T>;
   private _api_get<T>(