diff --git a/repos/os/src/server/nic_dump/component.cc b/repos/os/src/server/nic_dump/component.cc
index 9222301bb..90900c3db 100644
--- a/repos/os/src/server/nic_dump/component.cc
+++ b/repos/os/src/server/nic_dump/component.cc
@@ -60,7 +60,7 @@ Net::Session_component::Session_component(Allocator         &alloc,
                                           size_t const       rx_buf_size,
                                           Xml_node           config,
                                           Timer::Connection &timer,
-                                          unsigned          &curr_time,
+                                          Duration          &curr_time,
                                           Env               &env)
 :
 	Session_component_base(alloc, amount, env.ram(), tx_buf_size, rx_buf_size),
@@ -109,7 +109,7 @@ Net::Root::Root(Env               &env,
                 Allocator         &alloc,
                 Xml_node           config,
                 Timer::Connection &timer,
-                unsigned          &curr_time)
+                Duration          &curr_time)
 :
 	Root_component<Session_component, Genode::Single_client>(&env.ep().rpc_ep(),
 	                                                         &alloc),
diff --git a/repos/os/src/server/nic_dump/component.h b/repos/os/src/server/nic_dump/component.h
index 8354d48a3..971b28cec 100644
--- a/repos/os/src/server/nic_dump/component.h
+++ b/repos/os/src/server/nic_dump/component.h
@@ -96,7 +96,7 @@ class Net::Session_component : public Session_component_base,
 		                  Genode::size_t const  rx_buf_size,
 		                  Genode::Xml_node      config,
 		                  Timer::Connection    &timer,
-		                  unsigned             &curr_time,
+		                  Genode::Duration     &curr_time,
 		                  Genode::Env          &env);
 
 
@@ -106,7 +106,8 @@ class Net::Session_component : public Session_component_base,
 
 		Mac_address mac_address() { return _uplink.mac_address(); }
 		bool link_state() { return _uplink.link_state(); }
-		void link_state_sigh(Genode::Signal_context_capability sigh) { _link_state_sigh = sigh; }
+		void link_state_sigh(Genode::Signal_context_capability sigh) {
+			_link_state_sigh = sigh; }
 };
 
 
@@ -116,9 +117,9 @@ class Net::Root : public Genode::Root_component<Session_component,
 	private:
 
 		Genode::Env       &_env;
-		Genode::Xml_node    _config;
+		Genode::Xml_node   _config;
 		Timer::Connection &_timer;
-		unsigned          &_curr_time;
+		Genode::Duration  &_curr_time;
 
 
 		/********************
@@ -133,7 +134,7 @@ class Net::Root : public Genode::Root_component<Session_component,
 		     Genode::Allocator &alloc,
 		     Genode::Xml_node   config,
 		     Timer::Connection &timer,
-		     unsigned          &curr_time);
+		     Genode::Duration  &curr_time);
 };
 
 #endif /* _COMPONENT_H_ */
diff --git a/repos/os/src/server/nic_dump/interface.cc b/repos/os/src/server/nic_dump/interface.cc
index a6c77d15d..8f16d7d7d 100644
--- a/repos/os/src/server/nic_dump/interface.cc
+++ b/repos/os/src/server/nic_dump/interface.cc
@@ -29,10 +29,14 @@ void Interface::_handle_eth(void              *const  eth_base,
 		Ethernet_frame &eth = *new (eth_base) Ethernet_frame(eth_size);
 		Interface &remote = _remote.deref();
 		if (_log_time) {
-			unsigned new_time = _timer.curr_time().trunc_to_plain_us().value / 1000;
+			Genode::Duration const new_time    = _timer.curr_time();
+			unsigned long    const new_time_ms = new_time.trunc_to_plain_us().value / 1000;
+			unsigned long    const old_time_ms = _curr_time.trunc_to_plain_us().value / 1000;
+
 			log("\033[33m(", remote._label, " <- ", _label, ")\033[0m ", eth,
-			    " \033[33mtime ", new_time, " (", new_time - _curr_time,
-			    ")\033[0m");
+			    " \033[33mtime ", new_time_ms, " ms (Δ ",
+			    new_time_ms - old_time_ms, " ms)\033[0m");
+
 			_curr_time = new_time;
 		} else {
 			log("\033[33m(", remote._label, " <- ", _label, ")\033[0m ", eth);
@@ -89,7 +93,7 @@ void Interface::_ready_to_ack()
 Interface::Interface(Entrypoint        &ep,
                      Interface_label    label,
                      Timer::Connection &timer,
-                     unsigned          &curr_time,
+                     Duration          &curr_time,
                      bool               log_time,
                      Allocator         &alloc)
 :
diff --git a/repos/os/src/server/nic_dump/interface.h b/repos/os/src/server/nic_dump/interface.h
index 541a7dc6c..3dfacb72d 100644
--- a/repos/os/src/server/nic_dump/interface.h
+++ b/repos/os/src/server/nic_dump/interface.h
@@ -50,7 +50,7 @@ class Net::Interface
 		Pointer<Interface>  _remote;
 		Interface_label     _label;
 		Timer::Connection  &_timer;
-		unsigned           &_curr_time;
+		Genode::Duration   &_curr_time;
 		bool                _log_time;
 
 		void _send(Ethernet_frame &eth, Genode::size_t const eth_size);
@@ -78,7 +78,7 @@ class Net::Interface
 		Interface(Genode::Entrypoint &ep,
 		          Interface_label     label,
 		          Timer::Connection  &timer,
-		          unsigned           &curr_time,
+		          Genode::Duration   &curr_time,
 		          bool                log_time,
 		          Genode::Allocator  &alloc);
 
diff --git a/repos/os/src/server/nic_dump/main.cc b/repos/os/src/server/nic_dump/main.cc
index 5f2e24530..ceb3ce31c 100644
--- a/repos/os/src/server/nic_dump/main.cc
+++ b/repos/os/src/server/nic_dump/main.cc
@@ -28,11 +28,11 @@ class Main
 {
 	private:
 
-		Genode::Attached_rom_dataspace _config;
-		Timer::Connection              _timer;
-		unsigned                       _curr_time { 0 };
-		Genode::Heap                   _heap;
-		Net::Root                      _root;
+		Attached_rom_dataspace _config;
+		Timer::Connection      _timer;
+		Duration               _curr_time { Microseconds(0UL) };
+		Heap                   _heap;
+		Net::Root              _root;
 
 	public:
 
diff --git a/repos/os/src/server/nic_dump/uplink.cc b/repos/os/src/server/nic_dump/uplink.cc
index 82f124c88..1dde6f62a 100644
--- a/repos/os/src/server/nic_dump/uplink.cc
+++ b/repos/os/src/server/nic_dump/uplink.cc
@@ -25,7 +25,7 @@ using namespace Genode;
 Net::Uplink::Uplink(Env               &env,
                     Xml_node           config,
                     Timer::Connection &timer,
-                    unsigned          &curr_time,
+                    Duration          &curr_time,
                     Allocator         &alloc)
 :
 	Nic::Packet_allocator(&alloc),
diff --git a/repos/os/src/server/nic_dump/uplink.h b/repos/os/src/server/nic_dump/uplink.h
index b81339e8f..097d8061c 100644
--- a/repos/os/src/server/nic_dump/uplink.h
+++ b/repos/os/src/server/nic_dump/uplink.h
@@ -47,7 +47,7 @@ class Net::Uplink : public Nic::Packet_allocator,
 		Uplink(Genode::Env       &env,
 		       Genode::Xml_node   config,
 		       Timer::Connection &timer,
-		       unsigned          &curr_time,
+		       Genode::Duration  &curr_time,
 		       Genode::Allocator &alloc);
 };