report issue better

1 files changed, 4 insertions, 1 deletions

diff --git a/src/transport/plugin_transport_tcp.c b/src/transport/plugin_transport_tcp.c
index 14c2f8a66..e796dacf4 100644
--- a/src/transport/plugin_transport_tcp.c
+++ b/src/transport/plugin_transport_tcp.c
@@ -1197,7 +1197,10 @@ tcp_plugin_send (void *cls,
       while ((ses != NULL) && (ses != session))
         ses = ses->next;
       if (ses == NULL)
-        return -1;
+        {
+          GNUNET_break (0);
+          return -1;
+        }
     }
   GNUNET_assert (session != NULL);
   GNUNET_assert (session->client != NULL);