diff --git a/quakey/src/quakey.c b/quakey/src/quakey.c
index ab90b0d..7e9d2e7 100644
--- a/quakey/src/quakey.c
+++ b/quakey/src/quakey.c
@@ -1041,7 +1041,7 @@ static void host_init(Host *host, Sim *sim, QuakeySpawn config, char *arg)
     }
 
     if (host->poll_timeout > -1)
-        time_event_wakeup(host->sim, host->sim->current_time + host->poll_timeout * 1000000, host);
+        time_event_wakeup(host->sim, host->sim->current_time + (Nanos)host->poll_timeout * 1000000ULL, host);
 }
 
 static void host_free(Host *host)
@@ -1227,7 +1227,7 @@ static void host_update(Host *host)
     }
 
     if (host->poll_timeout > -1)
-        time_event_wakeup(host->sim, host->sim->current_time + host->poll_timeout * 1000000, host);
+        time_event_wakeup(host->sim, host->sim->current_time + (Nanos)host->poll_timeout * 1000000ULL, host);
 }
 
 static bool host_has_addr(Host *host, Addr addr)