diff --git a/libraries/networking/src/udt/Packet.cpp b/libraries/networking/src/udt/Packet.cpp
index 754d1534b1..67fb3b8378 100644
--- a/libraries/networking/src/udt/Packet.cpp
+++ b/libraries/networking/src/udt/Packet.cpp
@@ -52,7 +52,7 @@ std::unique_ptr<Packet> Packet::createCopy(const Packet& other) {
 }
 
 Packet::Packet(qint64 size, bool isReliable, bool isPartOfMessage) :
-    BasePacket(size),
+    BasePacket(Packet::localHeaderSize() + size),
     _isReliable(isReliable),
     _isPartOfMessage(isPartOfMessage)
 {