diff --git a/apps/ndn-producer.h b/apps/ndn-producer.h
index 1563d12..42f65aa 100644
--- a/apps/ndn-producer.h
+++ b/apps/ndn-producer.h
@@ -60,6 +60,7 @@
 
 private:
   Name m_prefix;
+  Name m_postfix;
   uint32_t m_virtualPayloadSize;
   Time m_freshness;
 };