diff --git a/NextGenMapperTests/Tests/MapMethodInvocation/Map.cs b/NextGenMapperTests/Tests/MapMethodInvocation/Map.cs
index 81472eb..42f666e 100644
--- a/NextGenMapperTests/Tests/MapMethodInvocation/Map.cs
+++ b/NextGenMapperTests/Tests/MapMethodInvocation/Map.cs
@@ -225,7 +225,7 @@ public class Program
     public object? RunTest()
     {
         Source? source = new Source();
-        return source.Map<Destination>();
+        return source?.Map<Destination>();
     }
 }