diff --git a/src/window.ui b/src/window.ui
index 545eafd..d18ca5f 100644
--- a/src/window.ui
+++ b/src/window.ui
@@ -24,6 +24,7 @@
         <setter object="split_view_overlay" property="collapsed">true</setter>
         <setter object="welcome_dialog" property="width-request">360</setter>
         <setter object="manage_models_dialog" property="width-request">360</setter>
+        <setter object="create_model_dialog" property="width-request">360</setter>
         <setter object="preferences_dialog" property="width-request">360</setter>
       </object>
     </child>