1 files changed, 1 insertions, 4 deletions
diff --git a/csharp/src/Google.Protobuf/WellKnownTypes/Duration.cs b/csharp/src/Google.Protobuf/WellKnownTypes/Duration.cs
index d74636d4..aa34f2d8 100644
--- a/csharp/src/Google.Protobuf/WellKnownTypes/Duration.cs
+++ b/csharp/src/Google.Protobuf/WellKnownTypes/Duration.cs
@@ -151,10 +151,7 @@ namespace Google.Protobuf.WellKnownTypes {
       while ((tag = input.ReadTag()) != 0) {
         switch(tag) {
           default:
-            if (pb::WireFormat.IsEndGroupTag(tag)) {
-              return;
-            }
-            input.ConsumeLastField();
+            input.SkipLastField();
             break;
           case 8: {
             Seconds = input.ReadInt64();