diff --git a/src/Framework/Framework/ViewModel/Serialization/ViewModelTypeMetadataSerializer.cs b/src/Framework/Framework/ViewModel/Serialization/ViewModelTypeMetadataSerializer.cs
index a7ff234cc3..9cdf4caa1b 100644
--- a/src/Framework/Framework/ViewModel/Serialization/ViewModelTypeMetadataSerializer.cs
+++ b/src/Framework/Framework/ViewModel/Serialization/ViewModelTypeMetadataSerializer.cs
@@ -105,7 +105,7 @@ private JObject GetEnumTypeMetadataCopy(Type type)
         private ObjectMetadataWithDependencies GetObjectTypeMetadataCopy(ViewModelSerializationMap map)
         {
             var key = new ViewModelSerializationMapWithCulture(map, CultureInfo.CurrentUICulture.Name);
-            var obj = cachedObjectMetadata.GetOrAdd(key, BuildObjectTypeMetadata(map));
+            var obj = cachedObjectMetadata.GetOrAdd(key, _ => BuildObjectTypeMetadata(map));
             return new ObjectMetadataWithDependencies((JObject)obj.Metadata.DeepClone(), obj.DependentObjectTypes, obj.DependentEnumTypes);
         }