diff --git a/Source/Editor/Content/Proxy/MaterialProxy.cs b/Source/Editor/Content/Proxy/MaterialProxy.cs
index 9cbd54975..cf7c8b77e 100644
--- a/Source/Editor/Content/Proxy/MaterialProxy.cs
+++ b/Source/Editor/Content/Proxy/MaterialProxy.cs
@@ -72,11 +72,9 @@ namespace FlaxEditor.Content
         /// <param name="materialItem">The material item to use as a base material.</param>
         public static void CreateMaterialInstance(BinaryAssetItem materialItem)
         {
-            if (materialItem == null)
-                throw new ArgumentNullException();
-
+            var materialInstanceName = materialItem.ShortName + " Instance";
             var materialInstanceProxy = Editor.Instance.ContentDatabase.GetProxy<MaterialInstance>();
-            Editor.Instance.Windows.ContentWin.NewItem(materialInstanceProxy, null, item => OnMaterialInstanceCreated(item, materialItem));
+            Editor.Instance.Windows.ContentWin.NewItem(materialInstanceProxy, null, item => OnMaterialInstanceCreated(item, materialItem), materialInstanceName);
         }
 
         private static void OnMaterialInstanceCreated(ContentItem item, BinaryAssetItem materialItem)