diff --git a/bluepring.yaml b/blueprint.yaml
similarity index 94%
rename from bluepring.yaml
rename to blueprint.yaml
index 13e6497..826a2c1 100644
--- a/bluepring.yaml
+++ b/blueprint.yaml
@@ -16,11 +16,13 @@ blueprint:
         entity:
           domain: schedule
     presence_entity:
-      name: Anwesenheit
-      description: Optional, z.B. binary_sensor.presence
+      name: Anwesenheit (optional)
+      description: Optional - leer lassen für immer present. z.B. binary_sensor.presence
       selector:
         entity:
           domain: binary_sensor
+          multiple: false
+      default: {}
     vacation_helper:
       name: Urlaubsmodus Helper
       description: input_boolean.urlaub
@@ -95,7 +97,7 @@ action:
       is_winter: "{{ weather_temp < !input winter_temp_threshold }}"
       is_vacation: "{{ is_state(!input vacation_helper, 'on') }}"
       is_present: >-
-        {%- if !input presence_entity -%}
+        {%- if !input presence_entity or !input presence_entity == '' -%}
           true
         {%- else -%}
           {{ is_state(!input presence_entity, 'on') }}