diff --git a/src/lib/utils/tcpsocket.cpp b/src/lib/utils/tcpsocket.cpp
index 84a1e8ed..646e049d 100755
--- a/src/lib/utils/tcpsocket.cpp
+++ b/src/lib/utils/tcpsocket.cpp
@@ -79,6 +79,7 @@ int tcpKeepAliveInterval) {
       close(sfd);
       return -1;
     }
+    return sfd;
   }
   int value = 1;
   ret = setsockopt(sfd, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast<void*>(&value), sizeof(value));