diff --git a/v2/sonyflake_test.go b/v2/sonyflake_test.go
index 5db2f46..91fc060 100644
--- a/v2/sonyflake_test.go
+++ b/v2/sonyflake_test.go
@@ -358,7 +358,7 @@ func TestLower16BitPrivateIP(t *testing.T) {
 func TestToTime(t *testing.T) {
 	start := time.Now()
 	sf := newSonyflake(t, Settings{
-		TimeUnit:  time.Millisecond,
+		TimeUnit:  100 * time.Millisecond,
 		StartTime: start,
 	})