diff --git a/csharp/src/Google.Protobuf.Test/GeneratedMessageTest.Proto2.cs b/csharp/src/Google.Protobuf.Test/GeneratedMessageTest.Proto2.cs
index e1d4d78..704f2e5 100644
--- a/csharp/src/Google.Protobuf.Test/GeneratedMessageTest.Proto2.cs
+++ b/csharp/src/Google.Protobuf.Test/GeneratedMessageTest.Proto2.cs
@@ -262,6 +262,13 @@
         }
 
         [Test]
+        public void RequiredFieldsNoThrow()
+        {
+            TestRequired.Parser.ParseFrom(new byte[0]);
+            (TestRequired.Parser as MessageParser).ParseFrom(new byte[0]);
+        }
+
+        [Test]
         public void RequiredFieldsInExtensions()
         {
             var message = new TestAllExtensions();