diff --git a/model/wire/ndnsim.h b/model/wire/ndnsim.h
index f0be388..f247f77 100644
--- a/model/wire/ndnsim.h
+++ b/model/wire/ndnsim.h
@@ -13,7 +13,7 @@
 
 #include "ns3/ndn-common.h"
 #include "ns3/ndn-interest.h"
-#include "ns3/ndn-content-object.h"
+#include "ns3/ndn-data.h"
 
 NDN_NAMESPACE_BEGIN