diff --git a/anki/schedv2.py b/anki/schedv2.py
index d95372a1e..60f4f404e 100644
--- a/anki/schedv2.py
+++ b/anki/schedv2.py
@@ -1056,14 +1056,11 @@ due = (case when odue>0 then odue else due end), odue = 0, odid = 0, usn = ? whe
             t = "n.id"
         elif o == DYN_REVADDED:
             t = "n.id desc"
-        elif o == DYN_DUE:
-            t = "c.due"
         elif o == DYN_DUEPRIORITY:
             t = "(case when queue=2 and due <= %d then (ivl / cast(%d-due+0.001 as real)) else 100000+due end)" % (
                     self.today, self.today)
-        else:
-            # if we don't understand the term, default to due order
-            t = "c.due"
+        else: # DYN_DUE or unknown
+            t = "c.due, c.ord"
         return t + " limit %d" % l
 
     def _moveToDyn(self, did, ids, start=-100000):