1 files changed, 4 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index f11fca69f4..e0bce194b2 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -1169,7 +1169,10 @@ module ActiveRecord #:nodoc:
 
       # Returns true if the +comparison_object+ is the same object, or is of the same type and has the same id.
       def ==(comparison_object)
-        comparison_object.equal?(self) or (comparison_object.instance_of?(self.class) and comparison_object.id == id)
+        comparison_object.equal?(self) ||
+          (comparison_object.instance_of?(self.class) && 
+            comparison_object.id == id && 
+            !comparison_object.new_record?)
       end
 
       # Delegates to ==