diff --git a/core/sip/tcp_trsp.cpp b/core/sip/tcp_trsp.cpp
index cbc35ce2..82802f5f 100644
--- a/core/sip/tcp_trsp.cpp
+++ b/core/sip/tcp_trsp.cpp
@@ -570,7 +570,9 @@ void tcp_server_worker::run()
 {
   // fake event to prevent the event loop from exiting
   int fake_fds[2];
-  pipe(fake_fds);
+  if (pipe(fake_fds))
+    WARN("Cannot read from pipe\n");
+
   struct event* ev_default =
     event_new(evbase,fake_fds[0],
 	      EV_READ|EV_PERSIST,