diff --git a/model/ndn-l3-protocol.cc b/model/ndn-l3-protocol.cc
index 0c0332f..d2d2b29 100644
--- a/model/ndn-l3-protocol.cc
+++ b/model/ndn-l3-protocol.cc
@@ -34,7 +34,7 @@
 
 #include "ns3/ndn-pit.h"
 #include "ns3/ndn-interest.h"
-#include "ns3/ndn-content-object.h"
+#include "ns3/ndn-data.h"
 
 #include "ns3/ndn-face.h"
 #include "ns3/ndn-forwarding-strategy.h"