1 files changed, 1 insertions, 0 deletions
diff --git a/cpp/src/qmf/ObjectId.h b/cpp/src/qmf/ObjectId.h
index ffd1b6978b..e894e0b39c 100644
--- a/cpp/src/qmf/ObjectId.h
+++ b/cpp/src/qmf/ObjectId.h
@@ -30,6 +30,7 @@ namespace qmf {
     class ObjectId {
     public:
         ObjectId();
+        ObjectId(const ObjectId& from);
         ObjectId(ObjectIdImpl* impl);
         ~ObjectId();