diff --git a/daemon/face/multicast-udp-face.cpp b/daemon/face/multicast-udp-face.cpp
index a69b1c2..34c6cd2 100644
--- a/daemon/face/multicast-udp-face.cpp
+++ b/daemon/face/multicast-udp-face.cpp
@@ -55,7 +55,7 @@
 {
   m_sendSocket->async_send_to(boost::asio::buffer(block.wire(), block.size()),
                               m_multicastGroup,
-                              bind(&MulticastUdpFace::handleSend, this, _1, block));
+                              bind(&MulticastUdpFace::handleSend, this, _1, _2, block));
 }
 
 void