diff --git a/libraries/networking/src/udt/PacketList.h b/libraries/networking/src/udt/PacketList.h
index 5ab3029a60..30288dcaab 100644
--- a/libraries/networking/src/udt/PacketList.h
+++ b/libraries/networking/src/udt/PacketList.h
@@ -12,6 +12,8 @@
 #ifndef hifi_PacketList_h
 #define hifi_PacketList_h
 
+#include <memory>
+
 #include <QtCore/QIODevice>
 
 #include "PacketHeaders.h"