diff --git a/include/boost/asio/detail/impl/socket_ops.ipp b/include/boost/asio/detail/impl/socket_ops.ipp
index dc068e0e..dc8ccf63 100644
--- a/include/boost/asio/detail/impl/socket_ops.ipp
+++ b/include/boost/asio/detail/impl/socket_ops.ipp
@@ -851,6 +851,10 @@ void complete_iocp_recv(state_type state,
   {
     ec = boost::asio::error::connection_refused;
   }
+  else if (ec.value() == ERROR_MORE_DATA)
+  {
+    ec = boost::asio::error::message_size;
+  }
 
   // Check for connection closed.
   else if (!ec && bytes_transferred == 0
@@ -990,6 +994,10 @@ void complete_iocp_recvfrom(
   {
     ec = boost::asio::error::connection_refused;
   }
+  else if (ec.value() == ERROR_MORE_DATA)
+  {
+    ec = boost::asio::error::message_size;
+  }
 }
 
 #else // defined(BOOST_ASIO_HAS_IOCP)