diff --git a/vlib/time/time.v b/vlib/time/time.v
index 2cc8bf3f76..371f633437 100644
--- a/vlib/time/time.v
+++ b/vlib/time/time.v
@@ -380,11 +380,11 @@ pub type Duration = i64
 
 pub const (
 	nanosecond  = Duration(1)
-	microsecond = Duration(1000) * nanosecond
-	millisecond = Duration(1000) * microsecond
-	second      = Duration(1000) * millisecond
-	minute      = Duration(60) * second
-	hour        = Duration(60) * minute
+	microsecond = Duration(1000 * nanosecond)
+	millisecond = Duration(1000 * microsecond)
+	second      = Duration(1000 * millisecond)
+	minute      = Duration(60 * second)
+	hour        = Duration(60 * minute)
 	infinite    = Duration(-1)
 )
 
diff --git a/vlib/time/time_nix.c.v b/vlib/time/time_nix.c.v
index 49efe0ab46..0e7e630e62 100644
--- a/vlib/time/time_nix.c.v
+++ b/vlib/time/time_nix.c.v
@@ -108,8 +108,8 @@ pub fn (d Duration) timespec() C.timespec {
 	d_nsec := d % second
 	ts.tv_sec += d_sec
 	ts.tv_nsec += d_nsec
-	if ts.tv_nsec > second {
-		ts.tv_nsec -= second
+	if ts.tv_nsec > i64(second) {
+		ts.tv_nsec -= i64(second)
 		ts.tv_sec++
 	}
 	return ts