1 files changed, 3 insertions, 1 deletions
diff --git a/src/google/protobuf/util/internal/protostream_objectwriter.cc b/src/google/protobuf/util/internal/protostream_objectwriter.cc
index 8fa58a6f..1825f556 100644
--- a/src/google/protobuf/util/internal/protostream_objectwriter.cc
+++ b/src/google/protobuf/util/internal/protostream_objectwriter.cc
@@ -63,7 +63,9 @@ ProtoStreamObjectWriter::ProtoStreamObjectWriter(
     : ProtoWriter(type_resolver, type, output, listener),
       master_type_(type),
       current_(NULL),
-      options_(options) {}
+      options_(options) {
+  set_ignore_unknown_fields(options_.ignore_unknown_fields);
+}
 
 ProtoStreamObjectWriter::ProtoStreamObjectWriter(
     const TypeInfo* typeinfo, const google::protobuf::Type& type,