lib/rails_clafer/association.rb in rails_clafer-0.1.4 vs lib/rails_clafer/association.rb in rails_clafer-0.1.5

@@ -3,10 +3,10 @@
     class << self
       def from_ar_assoc(src_class, ar_assoc)
         card = Card.from_ar_assoc ar_assoc
         assoc = new ClaferModel.claferize_name(src_class.name),
           ClaferModel.claferize_name(ar_assoc.klass.name), card
-        assoc.ref_name = ClaferModel.claferize_name ar_assoc.name
+        assoc.ref_name = ClaferModel.claferize_name ar_assoc.name if ar_assoc.name
         assoc
       end
     end
     attr_accessor :src, :dst, :dst_card, :ref_name
     def initialize(src, dst, dst_card)