diff --git a/BeWo/AI/Controls/VoiceToTextButtonControl.xaml.cs b/BeWo/AI/Controls/VoiceToTextButtonControl.xaml.cs
index 3d4a4c028..3a1ee0dc7 100644
--- a/BeWo/AI/Controls/VoiceToTextButtonControl.xaml.cs
+++ b/BeWo/AI/Controls/VoiceToTextButtonControl.xaml.cs
@@ -77,12 +77,14 @@ namespace BeWo.AI.Controls
 
             var settings = serviceRecordList.AiUserSetting;
 
+			if (settings is null)
+				throw new NotImplementedException("Can't find DataContext (settings)");
+
 			view.DataContext = settings;
 
             var factory = new BeWoWindowFactory();
             var beWoWindow = factory.GetAnimatedBeWoWindow(Translator.Translate("BeWoPlaner"), view, 500, 600);
 
-            
             view.ApplyClicked += (s, e) =>
             {
                 if (TargetTextBox != null)