diff --git a/src/async/context.cpp b/src/async/context.cpp
index 1dc9906..007a266 100644
--- a/src/async/context.cpp
+++ b/src/async/context.cpp
@@ -37,7 +37,7 @@
 
     // Data to share with the worker.
     context& ctx;
-    std::chrono::microseconds timeout{};
+    event_t::time_resolution timeout{};
 
     static task<> loop(context& ctx);
     static void wait_once(context& ctx);
diff --git a/src/event.cpp b/src/event.cpp
index 295191d..badd43a 100644
--- a/src/event.cpp
+++ b/src/event.cpp
@@ -90,7 +90,7 @@
     run_condition = add_condition(run_wakeup, this);
 }
 
-void event::run_one(std::chrono::microseconds timeout)
+void event::run_one(time_resolution timeout)
 {
     auto l = obtain_lock<false>();
 
@@ -146,8 +146,7 @@
 }
 
 source event::add_oneshot_timer(sd_event_time_handler_t handler, void* data,
-                                std::chrono::microseconds time,
-                                std::chrono::microseconds accuracy)
+                                time_resolution time, time_resolution accuracy)
 {
     auto l = obtain_lock();