diff --git a/BeWo/ViewModel/ListViewModel/AiConversationListVM.cs b/BeWo/ViewModel/ListViewModel/AiConversationListVM.cs
index 27e8aba67..310a84666 100644
--- a/BeWo/ViewModel/ListViewModel/AiConversationListVM.cs
+++ b/BeWo/ViewModel/ListViewModel/AiConversationListVM.cs
@@ -46,7 +46,7 @@ namespace BeWo.ViewModel.ListViewModel
 		{
 			Models = new ObservableSortCollection<AiModelDC>();
 
-			SendNewMessageCommand = new DelegateCommand(SendNewMessage, () => BeWoApp.HasLoggedOnUserRight(UserRightType.AiModuleChatAdd) && SelectedVM is object);
+			SendNewMessageCommand = new DelegateCommand(SendNewMessage, () => BeWoApp.HasLoggedOnUserRight(UserRightType.AiModuleChatAdd) && SelectedVM is object && !string.IsNullOrWhiteSpace(MessageInput));
 			RequestNewConversationCommand = new DelegateCommand(RequestNewConversation, () => BeWoApp.HasLoggedOnUserRight(UserRightType.AiModuleChatAdd));
 			//TestCommand = new DelegateCommand(Test);