diff --git a/MsBuildGenerationTest/Program.cs b/MsBuildGenerationTest/Program.cs
index b07986b..bbbb50b 100644
--- a/MsBuildGenerationTest/Program.cs
+++ b/MsBuildGenerationTest/Program.cs
@@ -6,7 +6,16 @@ namespace MsBuildGenerationTest
     {
         static void Main(string[] args)
         {
-            Console.WriteLine("Hello World!");
+            // Instantiate some generated classes ensures that they are really present.
+            // Note that this code is not supposed to test runtime behavior, we have plenty of other test cases for that purpose.
+
+            var vatId = new Capnp.Rpc.Twoparty.VatId();
+            var msg = new Capnp.Rpc.Message();
+            var node = new Capnp.Schema.Node();
+            var x = Capnproto_test.Capnp.Test.TestEnum.garply;
+            var imp = new CapnpGen.TestImport();
+            var imp2 = new CapnpGen.TestImport2();
+            var book = new CapnpGen.AddressBook();
         }
     }
 }