diff --git a/app/models/post.rb b/app/models/post.rb
index 55e934e5560..95b4070b5f0 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -72,7 +72,7 @@ class Post < ActiveRecord::Base
 
   def raw_hash
     return if raw.blank?
-    Digest::SHA1.hexdigest(raw.gsub(/\s+/, "").downcase)
+    Digest::SHA1.hexdigest(raw.gsub(/\s+/, ""))
   end
 
   def reset_cooked
diff --git a/spec/models/post_spec.rb b/spec/models/post_spec.rb
index 70521715896..2a8b5dd3fed 100644
--- a/spec/models/post_spec.rb
+++ b/spec/models/post_spec.rb
@@ -417,8 +417,8 @@ describe Post do
       post.raw_hash.should == post_with_body(" thisis ourt est postbody").raw_hash
     end
 
-    it "returns the same hash even with different text case" do
-      post.raw_hash.should == post_with_body("THIS is OUR TEST post BODy").raw_hash
+    it "returns a different value with different text case" do
+      post.raw_hash.should_not == post_with_body("THIS is OUR TEST post BODy").raw_hash
     end
   end