diff --git a/vlib/time/time.v b/vlib/time/time.v
index f770008ea2..82e9a3eaa2 100644
--- a/vlib/time/time.v
+++ b/vlib/time/time.v
@@ -31,7 +31,7 @@ pub:
 	hour   int
 	minute int
 	second int
-	unix int
+	unix   u64
 }
 
 pub enum FormatTime {