diff --git a/Rakefile b/Rakefile
index ab4a3ef..f42d019 100644
--- a/Rakefile
+++ b/Rakefile
@@ -13,7 +13,25 @@ end
 task :default => "spec:all"
 
 namespace :spec do
-  %w(active_record_edge active_record_40 active_record_41 active_record_42 active_record_32 active_record_31 active_record_30 data_mapper_12 mongoid_40 mongoid_31 mongoid_30 mongoid_24 mongo_mapper sinatra_13 sinatra_14).each do |gemfile|
+  mappers = %w(
+    active_record_edge
+    active_record_42
+    active_record_41
+    active_record_40
+    active_record_32
+    active_record_31
+    active_record_30
+    data_mapper_12
+    mongoid_40
+    mongoid_31
+    mongoid_30
+    mongoid_24
+    mongo_mapper
+    sinatra_13
+    sinatra_14
+  )
+
+  mappers.each do |gemfile|
     desc "Run Tests against #{gemfile}"
     task gemfile do
       sh "BUNDLE_GEMFILE='gemfiles/#{gemfile}.gemfile' bundle --quiet"
@@ -23,7 +41,7 @@ namespace :spec do
 
   desc "Run Tests against all ORMs"
   task :all do
-    %w(active_record_edge active_record_40 active_record_41 active_record_42 active_record_32 active_record_31 active_record_30 data_mapper_12 mongoid_40 mongoid_31 mongoid_30 mongoid_24 mongo_mapper sinatra_13 sinatra_14).each do |gemfile|
+    mappers.each do |gemfile|
       sh "BUNDLE_GEMFILE='gemfiles/#{gemfile}.gemfile' bundle --quiet"
       sh "BUNDLE_GEMFILE='gemfiles/#{gemfile}.gemfile' bundle exec rake spec"
     end