diff --git a/AssetStudio.CLI/App.config b/AssetStudio.CLI/App.config
index 7f34586..6c15388 100644
--- a/AssetStudio.CLI/App.config
+++ b/AssetStudio.CLI/App.config
@@ -20,6 +20,7 @@
 		<add key="restoreExtensionName" value="True" />
 		<add key="enableFileLogging" value="False" />
 		<add key="minimalAssetMap" value="True" />
+		<add key="allowDuplicates" value="False" />
 		<add key="uvs" value='{"UV0":{"Item1":true,"Item2":0},"UV1":{"Item1":true,"Item2":1},"UV2":{"Item1":false,"Item2":0},"UV3":{"Item1":false,"Item2":0},"UV4":{"Item1":false,"Item2":0},"UV5":{"Item1":false,"Item2":0},"UV6":{"Item1":false,"Item2":0},"UV7":{"Item1":false,"Item2":0}}' />
 		<add key="texs" value="{}" />
 	</appSettings>