diff --git a/apps/ndn-consumer-batches.h b/apps/ndn-consumer-batches.h
index c7479da..fc7b322 100644
--- a/apps/ndn-consumer-batches.h
+++ b/apps/ndn-consumer-batches.h
@@ -71,6 +71,9 @@
    */
   virtual void
   ScheduleNextPacket ();
+
+private:
+  bool m_initial;
 };
 
 } // namespace ndn