lib/fish0/collection.rb in fish0-0.0.15 vs lib/fish0/collection.rb in fish0-0.0.16

@@ -9,10 +9,10 @@
     end
 
     protected
 
     def objects_key
-      Digest::MD5.hexdigest(map(&:slug).join)
+      Digest::MD5.hexdigest(map(&:primary_key_value).join)
     end
 
     def time_to_string(timestamp)
       timestamp.strftime('%Y%m%d%H%M%S%9N')
     end