1 files changed, 4 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index e6ab87e8fc..021aaf4ca1 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -2170,11 +2170,11 @@ module ActiveRecord #:nodoc:
       def cache_key
         case
         when new_record?
-          "#{self.class.name.tableize}/new"
-        when self[:updated_at]
-          "#{self.class.name.tableize}/#{id}-#{updated_at.to_s(:number)}"
+          "#{self.class.model_name.cache_key}/new"
+        when timestamp = self[:updated_at]
+          "#{self.class.model_name.cache_key}/#{id}-#{timestamp.to_s(:number)}"
         else
-          "#{self.class.name.tableize}/#{id}"
+          "#{self.class.model_name.cache_key}/#{id}"
         end
       end