diff --git a/src/App.vue b/src/App.vue
index b4f7714..241fba7 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -40,7 +40,7 @@ export default {
         6: 'Samstag'
       },
       where: 'zentralmensa',
-      when: '' + new Date().getDay()
+      when: '' + (new Date().getDay() || 1)
     }
   },
   watch: {
diff --git a/src/components/Mensa.vue b/src/components/Mensa.vue
index 496afee..4efcb78 100644
--- a/src/components/Mensa.vue
+++ b/src/components/Mensa.vue
@@ -30,7 +30,7 @@ export default {
         this.$router.replace(this.$route.fullPath + '/')
       }
       if (!this.$route.params.tag) {
-        this.$router.push('' + new Date().getDay())
+        this.$router.push('' + (new Date().getDay() || 1))
       }
       this.loadMeals()
     }
@@ -43,7 +43,7 @@ export default {
     }
   },
   created () {
-    this.$router.replace(`/zentralmensa/${new Date().getDay()}`)
+    this.$router.replace(`/zentralmensa/${new Date().getDay() || 1}`)
     this.loadMeals()
   }
 }