diff --git a/lib/shutterAlarm.js b/lib/shutterAlarm.js
index 3b28db0..0a6bce3 100644
--- a/lib/shutterAlarm.js
+++ b/lib/shutterAlarm.js
@@ -578,7 +578,7 @@ async function shutterAlarm(adapter, alarmType, shutterSettings) {
                                             shutterSettings[s].triggerHeight = parseFloat(alarmFrostLevel);
                                             shutterSettings[s].triggerAction = 'frost';
                                         }
-                                    } else if (_shutterState.val == shutterSettings[s].heightDown &&
+                                    } else if (_shutterState?.val == shutterSettings[s].heightDown &&
                                         (currentValue === mustValue ||
                                             currentValue === mustValueTilted ||
                                             currentValue == '')) {
@@ -810,7 +810,7 @@ async function checkPendingAlarm(adapter, Shutter) {
 
         const _statusAlarmWind2 = adapter.config.alarmWind2 != '' ? await adapter.getForeignStateAsync(adapter.config.alarmWind2)
             .catch((e) => adapter.log.warn(`check pending alarm is not possible: ${e}`)) : null;
-        const statusAlarmWind2 = _statusAlarmWind2.val ? _statusAlarmWind2.val : false;
+        const statusAlarmWind2 = _statusAlarmWind2?.val ? _statusAlarmWind2.val : false;
 
         const _statusAlarmRain = adapter.config.alarmRain != '' ? await adapter.getForeignStateAsync(adapter.config.alarmRain)
             .catch((e) => adapter.log.warn(`check pending alarm is not possible: ${e}`)) : null;