diff --git a/BeWo/View/Detail/AI/AiConversationChatView.xaml b/BeWo/View/Detail/AI/AiConversationChatView.xaml
index 52fb1a8b1..7c18696e2 100644
--- a/BeWo/View/Detail/AI/AiConversationChatView.xaml
+++ b/BeWo/View/Detail/AI/AiConversationChatView.xaml
@@ -26,6 +26,8 @@
     VerticalAlignment="Stretch"
     d:DataContext="{d:DesignInstance Type=vmv:AiConversationChatViewModel,
                                      IsDesignTimeCreatable=True}"
+    d:Height="600"
+    d:Width="600"
     Focusable="True"
     Loaded="BeWoView_Loaded"
     mc:Ignorable="d">