diff --git a/ui/src/components/CalendarDoor.vue b/ui/src/components/CalendarDoor.vue
index 595804b..91df1d2 100644
--- a/ui/src/components/CalendarDoor.vue
+++ b/ui/src/components/CalendarDoor.vue
@@ -13,12 +13,8 @@ import { Vue, Options } from "vue-class-component";
 export default class CalendarDoor extends Vue {
   day!: number;
 
-  private get image_url(): string {
-    return this.$advent22.api_url("days/image/" + this.day);
-  }
-
   private on_click() {
-    this.$advent22.api_get_blob("days/image/" + this.day, (data) => {
+    this.$advent22.api_get_blob(`days/image/${this.day}`, (data) => {
       this.$emit("openDoor", data);
     });
   }