1 files changed, 2 insertions, 2 deletions
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestMessageSetProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestMessageSetProtoFile.cs
index 8a6bb589..34de1a98 100644
--- a/src/ProtocolBuffers.Test/TestProtos/UnitTestMessageSetProtoFile.cs
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestMessageSetProtoFile.cs
@@ -1499,7 +1499,7 @@ namespace Google.ProtocolBuffers.TestProtos {
       public override Builder MergeFrom(RawMessageSet other) {
         if (other == global::Google.ProtocolBuffers.TestProtos.RawMessageSet.DefaultInstance) return this;
         if (other.item_.Count != 0) {
-          base.AddRange(other.item_, result.item_);
+          result.item_.Add(other.item_);
         }
         this.MergeUnknownFields(other.UnknownFields);
         return this;
@@ -1587,7 +1587,7 @@ namespace Google.ProtocolBuffers.TestProtos {
         return this;
       }
       public Builder AddRangeItem(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.RawMessageSet.Types.Item> values) {
-        base.AddRange(values, result.item_);
+        result.item_.Add(values);
         return this;
       }
       public Builder ClearItem() {