diff --git a/src/filetime.rs b/src/filetime.rs
index 043c0d2..6c9aacf 100644
--- a/src/filetime.rs
+++ b/src/filetime.rs
@@ -839,7 +839,7 @@ mod tests {
         #[cfg(windows)]
         assert_eq!(
             SystemTime::from(FileTime::MAX - Duration::from_nanos(100)),
-            SystemTime::UNIX_EPOCH + Duration::from_secs(916514966885)
+            SystemTime::UNIX_EPOCH + Duration::new(922337203685,7)
         );
     }