diff --git a/Sources/tart/URL+AccessDate.swift b/Sources/tart/URL+AccessDate.swift
index 18517daf..0e623983 100644
--- a/Sources/tart/URL+AccessDate.swift
+++ b/Sources/tart/URL+AccessDate.swift
@@ -20,6 +20,6 @@ extension URL {
 
 extension Date {
   func asTimeval() -> timeval {
-    timeval(tv_sec: timeIntervalSince1970.toUnit(.second)!, tv_usec: 0)
+    timeval(tv_sec: Int(timeIntervalSince1970), tv_usec: 0)
   }
 }