diff --git a/src/event_manager.cc b/src/event_manager.cc
index 7596b47f..2c77e144 100644
--- a/src/event_manager.cc
+++ b/src/event_manager.cc
@@ -86,7 +86,7 @@ void EventManager::handle_next_events(EventMode mode)
     using namespace std::chrono;
     auto timeout = duration_cast<microseconds>(next_timer - Clock::now()).count();
 
-    constexpr auto us = 1000000000ll;
+    constexpr auto us = 1000000;
     timeval tv{ (time_t)(timeout / us), (suseconds_t)(timeout % us) };
     int res = select(max_fd + 1, &rfds, nullptr, nullptr, &tv);