1 files changed, 1 insertions, 1 deletions
diff --git a/csharp/src/Google.Protobuf.Test/TestProtos/UnittestIssues.cs b/csharp/src/Google.Protobuf.Test/TestProtos/UnittestIssues.cs
index 01a86f8f..819fc201 100644
--- a/csharp/src/Google.Protobuf.Test/TestProtos/UnittestIssues.cs
+++ b/csharp/src/Google.Protobuf.Test/TestProtos/UnittestIssues.cs
@@ -704,7 +704,7 @@ namespace UnitTest.Issues.TestProtos {
     public DeprecatedFieldsMessage(DeprecatedFieldsMessage other) : this() {
       primitiveValue_ = other.primitiveValue_;
       primitiveArray_ = other.primitiveArray_.Clone();
-      MessageValue = other.messageValue_ != null ? other.MessageValue.Clone() : null;
+      messageValue_ = other.messageValue_ != null ? other.messageValue_.Clone() : null;
       messageArray_ = other.messageArray_.Clone();
       enumValue_ = other.enumValue_;
       enumArray_ = other.enumArray_.Clone();