diff --git a/src/DHTNodeLookupTaskCallback.cc b/src/DHTNodeLookupTaskCallback.cc
index e73fe6cb..59b60d6a 100644
--- a/src/DHTNodeLookupTaskCallback.cc
+++ b/src/DHTNodeLookupTaskCallback.cc
@@ -37,6 +37,7 @@
 #include "DHTAnnouncePeerReplyMessage.h"
 #include "DHTGetPeersReplyMessage.h"
 #include "DHTPingReplyMessage.h"
+#include "DHTFindNodeReplyMessage.h"
 #include "Peer.h"
 
 namespace aria2 {
diff --git a/src/DHTPeerLookupTaskCallback.cc b/src/DHTPeerLookupTaskCallback.cc
index e6656473..dc60a45e 100644
--- a/src/DHTPeerLookupTaskCallback.cc
+++ b/src/DHTPeerLookupTaskCallback.cc
@@ -37,6 +37,7 @@
 #include "DHTAnnouncePeerReplyMessage.h"
 #include "DHTFindNodeReplyMessage.h"
 #include "DHTPingReplyMessage.h"
+#include "DHTGetPeersReplyMessage.h"
 #include "Peer.h"
 
 namespace aria2 {