diff --git a/dashboard/src/components/CatchAllSettingsItem.vue b/dashboard/src/components/CatchAllSettingsItem.vue
index 8351f5cc5..9d2438b75 100644
--- a/dashboard/src/components/CatchAllSettingsItem.vue
+++ b/dashboard/src/components/CatchAllSettingsItem.vue
@@ -59,8 +59,8 @@ onMounted(async () => {
     }));
   }
 
-  addresses.value = props.domainConfig.catchAll.slice();
-  currentAddresses.value = props.domainConfig.catchAll.slice();
+  addresses.value = props.domainConfig.catchAll ? props.domainConfig.catchAll.slice() : [];
+  currentAddresses.value = props.domainConfig.catchAll ? props.domainConfig.catchAll.slice() : [];
 
   busy.value = false;
 });