diff --git a/libraries/networking/src/udt/PacketList.cpp b/libraries/networking/src/udt/PacketList.cpp
index 909515f8a7..4036e872fd 100644
--- a/libraries/networking/src/udt/PacketList.cpp
+++ b/libraries/networking/src/udt/PacketList.cpp
@@ -22,7 +22,7 @@ PacketList::PacketList(PacketType::Value packetType) :
 }
 
 void PacketList::startSegment() {
-    _segmentStartIndex = _currentPacket->pos();
+    _segmentStartIndex = _currentPacket ? _currentPacket->pos() : 0;
 }
 
 void PacketList::endSegment() {