1 files changed, 1 insertions, 1 deletions

diff --git a/src/transport/gnunet-communicator-unix.c b/src/transport/gnunet-communicator-unix.c
index 27dda7281..148f7f886 100644
--- a/src/transport/gnunet-communicator-unix.c
+++ b/src/transport/gnunet-communicator-unix.c
@@ -669,7 +669,7 @@ setup_queue (const struct GNUNET_PeerIdentity *target,
     queue->qh = GNUNET_TRANSPORT_communicator_mq_add (ch,
                                                       &queue->target,
                                                       foreign_addr,
-                                                      UNIX_MTU,
+                                                      UNIX_MTU - sizeof (struct UNIXMessage),
                                                       GNUNET_TRANSPORT_QUEUE_LENGTH_UNLIMITED,
                                                       0,
                                                       GNUNET_NT_LOOPBACK,