diff --git a/libraries/networking/src/udt/Constants.h b/libraries/networking/src/udt/Constants.h
index d6b208a0128..a26f284d3ca 100644
--- a/libraries/networking/src/udt/Constants.h
+++ b/libraries/networking/src/udt/Constants.h
@@ -19,7 +19,7 @@
 namespace udt {
 
     static const int UDP_IPV4_HEADER_SIZE = 28;
-    static const int MAX_PACKET_SIZE_WITH_UDP_HEADER = 1492;
+    static const int MAX_PACKET_SIZE_WITH_UDP_HEADER = 1420;
     static const int MAX_PACKET_SIZE = MAX_PACKET_SIZE_WITH_UDP_HEADER - UDP_IPV4_HEADER_SIZE;
     static const int MAX_PACKETS_IN_FLIGHT = 25600;
     static const int CONNECTION_RECEIVE_BUFFER_SIZE_PACKETS = 8192;