diff --git a/domain-server/src/DomainServer.cpp b/domain-server/src/DomainServer.cpp
index 3876366790..f78fbc6bbf 100644
--- a/domain-server/src/DomainServer.cpp
+++ b/domain-server/src/DomainServer.cpp
@@ -1118,7 +1118,7 @@ void DomainServer::readAvailableDatagrams() {
             static std::unique_ptr<NLPacket> dtlsRequiredPacket;
 
             if (!dtlsRequiredPacket) {
-                dtlsRequiredPacket = NLPacket::create(PacketType::DomainServerRequireDTLS);
+                dtlsRequiredPacket = NLPacket::create(PacketType::DomainServerRequireDTLS, sizeof(unsigned short));
 
                 // pack the port that we accept DTLS traffic on
                 unsigned short dtlsPort = limitedNodeList->getDTLSSocket().localPort();