diff --git a/os/src/server/nic_bridge/nic.cc b/os/src/server/nic_bridge/nic.cc
index 12f41382ae..12f3e3b376 100644
--- a/os/src/server/nic_bridge/nic.cc
+++ b/os/src/server/nic_bridge/nic.cc
@@ -127,7 +127,8 @@ bool Net::Nic::handle_ip(Ethernet_frame *eth, Genode::size_t size) {
 
 Net::Nic::Nic()
 : _tx_block_alloc(Genode::env()->heap()),
-  _nic(&_tx_block_alloc, BUF_SIZE, BUF_SIZE)
+  _nic(&_tx_block_alloc, BUF_SIZE, BUF_SIZE),
+  _mac(_nic.mac_address().addr)
 {
 	_nic.rx_channel()->sigh_ready_to_ack(_sink_ack);
 	_nic.rx_channel()->sigh_packet_avail(_sink_submit);
diff --git a/os/src/server/nic_bridge/nic.h b/os/src/server/nic_bridge/nic.h
index e61fd0b8d5..b93a83dc63 100644
--- a/os/src/server/nic_bridge/nic.h
+++ b/os/src/server/nic_bridge/nic.h
@@ -34,16 +34,16 @@ class Net::Nic : public Net::Packet_handler
 			BUF_SIZE    = ::Nic::Session::QUEUE_SIZE * PACKET_SIZE,
 		};
 
-		::Nic::Packet_allocator _tx_block_alloc;
-		::Nic::Connection       _nic;
+		::Nic::Packet_allocator     _tx_block_alloc;
+		::Nic::Connection           _nic;
+		Ethernet_frame::Mac_address _mac;
 
 	public:
 
 		Nic();
 
-		::Nic::Connection *nic() { return &_nic; }
-
-		Ethernet_frame::Mac_address mac() { return _nic.mac_address().addr; }
+		::Nic::Connection          *nic() { return &_nic; }
+		Ethernet_frame::Mac_address mac() { return _mac; }
 
 
 		/******************************