diff --git a/lib/app.rb b/lib/app.rb
index 939eab47..89fe6cf0 100644
--- a/lib/app.rb
+++ b/lib/app.rb
@@ -33,46 +33,11 @@ class App < Sinatra::Application
     set :default_docs, %w(css dom html http javascript)
     set :news_path, File.join(root, assets_prefix, 'javascripts', 'news.json')
 
-    set :docs_aliases, {
-      'angular' => 'ng',
-      'angular.js' => 'ng',
-      'backbone.js' => 'bb',
-      'c++' => 'cpp',
-      'coffeescript' => 'cs',
-      'crystal' => 'cr',
-      'elixir' => 'ex',
-      'javascript' => 'js',
-      'julia' => 'jl',
-      'jquery' => '$',
-      'knockout.js' => 'ko',
-      'kubernetes' => 'k8s',
-      'less' => 'ls',
-      'lodash' => '_',
-      'löve' => 'love',
-      'marionette' => 'mn',
-      'markdown' => 'md',
-      'matplotlib' => 'mpl',
-      'modernizr' => 'mdr',
-      'moment.js' => 'mt',
-      'openjdk' => 'java',
-      'nginx' => 'ngx',
-      'numpy' => 'np',
-      'pandas' => 'pd',
-      'postgresql' => 'pg',
-      'python' => 'py',
-      'ruby.on.rails' => 'ror',
-      'ruby' => 'rb',
-      'rust' => 'rs',
-      'sass' => 'scss',
-      'tensorflow' => 'tf',
-      'typescript' => 'ts',
-      'underscore.js' => '_',
-    }
-
     set :csp, false
 
     require 'docs'
     Docs.generate_manifest
+    set :docs_aliases, Docs.aliases
 
     Dir[docs_path, root.join(assets_prefix, '*/')].each do |path|
       sprockets.append_path(path)
diff --git a/lib/docs.rb b/lib/docs.rb
index abea0915..f8ab6a03 100644
--- a/lib/docs.rb
+++ b/lib/docs.rb
@@ -108,6 +108,44 @@ module Docs
     store_class.new(store_path)
   end
 
+  def self.aliases
+    {
+      'angular' => 'ng',
+      'angular.js' => 'ng',
+      'backbone.js' => 'bb',
+      'c++' => 'cpp',
+      'coffeescript' => 'cs',
+      'crystal' => 'cr',
+      'elixir' => 'ex',
+      'javascript' => 'js',
+      'julia' => 'jl',
+      'jquery' => '$',
+      'knockout.js' => 'ko',
+      'kubernetes' => 'k8s',
+      'less' => 'ls',
+      'lodash' => '_',
+      'löve' => 'love',
+      'marionette' => 'mn',
+      'markdown' => 'md',
+      'matplotlib' => 'mpl',
+      'modernizr' => 'mdr',
+      'moment.js' => 'mt',
+      'openjdk' => 'java',
+      'nginx' => 'ngx',
+      'numpy' => 'np',
+      'pandas' => 'pd',
+      'postgresql' => 'pg',
+      'python' => 'py',
+      'ruby.on.rails' => 'ror',
+      'ruby' => 'rb',
+      'rust' => 'rs',
+      'sass' => 'scss',
+      'tensorflow' => 'tf',
+      'typescript' => 'ts',
+      'underscore.js' => '_',
+    }
+  end
+
   extend Instrumentable
 
   def self.install_report(*names)
diff --git a/lib/docs/core/manifest.rb b/lib/docs/core/manifest.rb
index 134bb9e3..b9744ca2 100644
--- a/lib/docs/core/manifest.rb
+++ b/lib/docs/core/manifest.rb
@@ -20,7 +20,7 @@ module Docs
         if doc.options[:attribution].is_a?(String)
           json[:attribution] = doc.options[:attribution].strip
         end
-        json[:alias] = App.docs_aliases[json["slug"].try(:to_sym)]
+        json[:alias] = Docs.aliases[json["slug"].try(:to_sym)]
         result << json
       end
     end