diff --git a/libraries/networking/src/udt/Connection.cpp b/libraries/networking/src/udt/Connection.cpp
index 37e5cfacb5..fe545d8263 100644
--- a/libraries/networking/src/udt/Connection.cpp
+++ b/libraries/networking/src/udt/Connection.cpp
@@ -394,7 +394,7 @@ bool Connection::processReceivedSequenceNumber(SequenceNumber sequenceNumber, in
         _stats.recordReceivedPackets(payloadSize, packetSize);
     }
     
-    return wasDuplicate;
+    return !wasDuplicate;
 }
 
 void Connection::processControl(std::unique_ptr<ControlPacket> controlPacket) {