lib/sup/thread.rb in sup-0.0.7 vs lib/sup/thread.rb in sup-0.0.8

@@ -52,10 +52,10 @@
 
   ## yields each message, its depth, and its parent.  note that the
   ## message can be a Message object, or :fake_root, or nil.
   def each fake_root=false
     adj = 0
-    root = @containers.find_all { |c| !Message.subj_is_reply?(c) }.argmin { |c| c.date }
+    root = @containers.find_all { |c| !Message.subj_is_reply?(c) }.argmin { |c| c.date || 0 }
 
     if root
       adj = 1
       root.first_useful_descendant.each_with_stuff do |c, d, par|
         yield c.message, d, (par ? par.message : nil)