diff --git a/src/network/network.cc b/src/network/network.cc
index 99515a32a..20e1f7d65 100644
--- a/src/network/network.cc
+++ b/src/network/network.cc
@@ -159,8 +159,8 @@ Connection::Socket::Socket()
   }
 #endif
 
-  /* set diffserv values to AF42 + ECT */
-  int dscp = 0x92; /* OS X does not have IPTOS_DSCP_AF42 constant */
+  //  int dscp = 0x92; /* OS X does not have IPTOS_DSCP_AF42 constant */
+  int dscp = 0x02; /* ECN-capable transport only */
   if ( setsockopt( _fd, IPPROTO_IP, IP_TOS, &dscp, sizeof (dscp)) < 0 ) {
     //    perror( "setsockopt( IP_TOS )" );
   }