diff --git a/lib/ether_encap_impl.cc b/lib/ether_encap_impl.cc
index aaea027..b801ede 100644
--- a/lib/ether_encap_impl.cc
+++ b/lib/ether_encap_impl.cc
@@ -34,9 +34,9 @@ ether_encap_impl::ether_encap_impl(bool debug) :
     message_port_register_out(pmt::mp("to wifi"));
 
     message_port_register_in(pmt::mp("from tap"));
-    set_msg_handler(pmt::mp("from tap"), boost::bind(&ether_encap_impl::from_tap, this, _1));
+    set_msg_handler(pmt::mp("from tap"), boost::bind(&ether_encap_impl::from_tap, this, boost::placeholders::_1));
     message_port_register_in(pmt::mp("from wifi"));
-    set_msg_handler(pmt::mp("from wifi"), boost::bind(&ether_encap_impl::from_wifi, this, _1));
+    set_msg_handler(pmt::mp("from wifi"), boost::bind(&ether_encap_impl::from_wifi, this, boost::placeholders::_1));
 }
 
 void
diff --git a/lib/mac.cc b/lib/mac.cc
index 942691d..0d7e6f4 100644
--- a/lib/mac.cc
+++ b/lib/mac.cc
@@ -48,10 +48,10 @@ mac_impl(std::vector<uint8_t> src_mac, std::vector<uint8_t> dst_mac, std::vector
 	message_port_register_out(pmt::mp("app out"));
 
 	message_port_register_in(pmt::mp("app in"));
-	set_msg_handler(pmt::mp("app in"), boost::bind(&mac_impl::app_in, this, _1));
+	set_msg_handler(pmt::mp("app in"), boost::bind(&mac_impl::app_in, this, boost::placeholders::_1));
 
 	message_port_register_in(pmt::mp("phy in"));
-	set_msg_handler(pmt::mp("phy in"), boost::bind(&mac_impl::phy_in, this, _1));
+	set_msg_handler(pmt::mp("phy in"), boost::bind(&mac_impl::phy_in, this, boost::placeholders::_1));
 
 	if(!check_mac(src_mac)) throw std::invalid_argument("wrong mac address size");
 	if(!check_mac(dst_mac)) throw std::invalid_argument("wrong mac address size");
diff --git a/lib/parse_mac.cc b/lib/parse_mac.cc
index bb5866c..dbfcac9 100644
--- a/lib/parse_mac.cc
+++ b/lib/parse_mac.cc
@@ -35,7 +35,7 @@ parse_mac_impl(bool log, bool debug) :
 		d_debug(debug) {
 
 	message_port_register_in(pmt::mp("in"));
-	set_msg_handler(pmt::mp("in"), boost::bind(&parse_mac_impl::parse, this, _1));
+	set_msg_handler(pmt::mp("in"), boost::bind(&parse_mac_impl::parse, this, boost::placeholders::_1));
 
 	message_port_register_out(pmt::mp("fer"));
 }