diff --git a/cronexpr_test.go b/cronexpr_test.go
index f170769..008ec9b 100644
--- a/cronexpr_test.go
+++ b/cronexpr_test.go
@@ -196,6 +196,17 @@ var crontests = []crontest{
 		},
 	},
 
+	{ // Zero leading values
+		"00 01 03 07 *",
+		"Mon 2006-01-02 15:04",
+		[]crontimes{
+			{"2013-01-01 00:00:00", "Wed 2013-07-03 01:00"},
+			{"2014-01-28 00:00:00", "Thu 2014-07-03 01:00"},
+			{"2013-12-30 00:30:00", "Thu 2014-07-03 01:00"},
+			{"2015-07-03 02:01:00", "Sun 2016-07-03 01:00"},
+		},
+	},
+
 	// TODO: more tests
 }