diff --git a/src/xreq.cpp b/src/xreq.cpp
index 72ce3a27..484ee97c 100644
--- a/src/xreq.cpp
+++ b/src/xreq.cpp
@@ -65,7 +65,7 @@ void zmq::xreq_t::xrevive (class reader_t *pipe_)
 
 void zmq::xreq_t::xrevive (class writer_t *pipe_)
 {
-    zmq_not_implemented ();
+    lb.revive (pipe_);
 }
 
 int zmq::xreq_t::xsetsockopt (int option_, const void *optval_,