diff --git a/croniter/croniter.py b/croniter/croniter.py
index 0fb8965..461d1d6 100644
--- a/croniter/croniter.py
+++ b/croniter/croniter.py
@@ -25,7 +25,6 @@ class croniter:
     { },
     { 'jan':1, 'feb':2, 'mar':3, 'apr':4,  'may':5,  'jun':6,
       'jul':7, 'aug':8, 'sep':9, 'oct':10, 'nov':11, 'dec':12 },
-#    { 'mon':0, 'tue':1, 'wed':2, 'thu':3, 'fri':4, 'sat':5, 'sun':6 },
     { 'sun':0, 'mon':1, 'tue':2, 'wed':3, 'thu':4, 'fri':5, 'sat':6 },
     {  }
   )
@@ -68,6 +67,8 @@ class croniter:
         else:
           if not re.search(r'^(\d+|\*)$', t):
             t = self.ALPHACONV[i][t.lower()]
+          try:    t = int(t)
+          except: pass
           if t in self.LOWMAP[i]:
             t = self.LOWMAP[i][t]
           if t != '*' and (int(t) < self.RANGES[i][0] or int(t) > self.RANGES[i][1]):
diff --git a/croniter/croniter_test.py b/croniter/croniter_test.py
index 70a9cb3..a89f401 100644
--- a/croniter/croniter_test.py
+++ b/croniter/croniter_test.py
@@ -178,6 +178,12 @@ class CroniterTest(unittest.TestCase):
     self.assertEqual(prev3.day, 15)
     self.assertEqual(prev3.hour, 0)
     self.assertEqual(prev3.minute, 0)
-        
+
+  def testISOWeekday(self):
+    base = datetime(2010, 2, 25)
+    itr = croniter('0 0 * * 7', base)
+    n1 = itr.get_next(datetime)
+    self.assertEqual(n1.isoweekday(), 7)
+    
 if __name__ == '__main__':
   unittest.main()