diff --git a/lib/flow_control/burst_fnr_filter_impl.cc b/lib/flow_control/burst_fnr_filter_impl.cc
index 49ddc4c..ae129ee 100644
--- a/lib/flow_control/burst_fnr_filter_impl.cc
+++ b/lib/flow_control/burst_fnr_filter_impl.cc
@@ -55,7 +55,7 @@
         message_port_register_in(pmt::mp("in"));       
         message_port_register_out(pmt::mp("out"));
 
-        set_msg_handler(pmt::mp("in"), boost::bind(&burst_fnr_filter_impl::process_burst, this, _1));
+        set_msg_handler(pmt::mp("in"), boost::bind(&burst_fnr_filter_impl::process_burst, this, boost::placeholders::_1));
     }
 
     /*