diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 5c6a1bbef..aeebaba94 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -27,6 +27,7 @@ New user-visible features
 Bugs fixed
 ----------
 - Bug 1551 - NS_LOG_COMPONENT_DEFINE inside or outside of ns3 namespace?
+- Bug 1957 - UdpSocketImpl is stuck after a Close()
 - Bug 1983 - FlowMonitor returns containers copies instead of references.
 - Bug 1991 - PcapFileWrapper::CaptureSize attribute (snaplen) has no effect.
 
diff --git a/src/internet/model/udp-socket-impl.cc b/src/internet/model/udp-socket-impl.cc
index c0e230fbe..c993e2263 100644
--- a/src/internet/model/udp-socket-impl.cc
+++ b/src/internet/model/udp-socket-impl.cc
@@ -219,6 +219,8 @@ UdpSocketImpl::FinishBind (void)
     }
   if (done)
     {
+      m_shutdownRecv = false;
+      m_shutdownSend = false;
       return 0;
     }
   return -1;