From 51b450a5ba48a9745239ca1a69576a05815ccfd3 Mon Sep 17 00:00:00 2001
From: Ben Atkins <benatkins@fullbridge.com>
Date: Mon, 11 Feb 2013 13:10:22 -0500
Subject: [PATCH] Fixing issues stemming from previous commit in Ruby 1.8.x.

---
 lib/paper_trail/has_paper_trail.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/paper_trail/has_paper_trail.rb b/lib/paper_trail/has_paper_trail.rb
index 09db8c71..b6940edf 100644
--- a/lib/paper_trail/has_paper_trail.rb
+++ b/lib/paper_trail/has_paper_trail.rb
@@ -217,8 +217,8 @@ module PaperTrail
       end
 
       def changes_for_paper_trail
-        self.changes.select do |key, value|
-          notably_changed.include?(key)
+        self.changes.delete_if do |key, value|
+          !notably_changed.include?(key)
         end.tap do |changes|
           self.class.serialize_attribute_changes(changes) # Use serialized value for attributes when necessary
         end