diff --git a/CHANGELOG.rdoc b/CHANGELOG.rdoc
index 18e0d48..39ed945 100644
--- a/CHANGELOG.rdoc
+++ b/CHANGELOG.rdoc
@@ -4,6 +4,7 @@ Prezento is the web interface for Mezuro.
 
 == Unreleased
 
+Fixed hardcoded routes on JS files by using generated ones
 
 == v0.8.1 - 01/09/2015
 
diff --git a/Gemfile b/Gemfile
index 8125372..e253242 100644
--- a/Gemfile
+++ b/Gemfile
@@ -63,6 +63,9 @@ gem 'google-analytics-rails', '~> 0.0.6'
 # Browser language detection
 gem 'http_accept_language'
 
+# Routes for JS files
+gem 'js-routes', '~> 1.1.0'
+
 group :test do
   # Easier test writing
   gem "shoulda-matchers", '~> 2.8.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index eccdd56..d7aa513 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -154,6 +154,9 @@ GEM
       thor (>= 0.14, < 2.0)
     jquery-ui-rails (5.0.5)
       railties (>= 3.2.16)
+    js-routes (1.1.0)
+      railties (>= 3.2)
+      sprockets-rails
     json (1.8.3)
     kalibro_client (1.3.0)
       activesupport (>= 2.2.1)
@@ -351,6 +354,7 @@ DEPENDENCIES
   jbuilder (~> 2.0)
   jquery-rails
   jquery-ui-rails (~> 5.0.0)
+  js-routes (~> 1.1.0)
   kalibro_client (~> 1.3.0)
   konacha
   mocha
@@ -375,4 +379,4 @@ DEPENDENCIES
   web-console (~> 2.0.0)
 
 BUNDLED WITH
-   1.10.5
+   1.10.6
diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
index 3160b6e..bda22cf 100644
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -18,5 +18,6 @@
 //= require modules
 //= require repository
 //= require Chart
+//= require js-routes
 //= require_tree .
 //= require colorpicker
diff --git a/app/assets/javascripts/module/graphic.js.coffee b/app/assets/javascripts/module/graphic.js.coffee
index ab2604e..071f83e 100644
--- a/app/assets/javascripts/module/graphic.js.coffee
+++ b/app/assets/javascripts/module/graphic.js.coffee
@@ -8,7 +8,7 @@ class Module.Graphic
       drawer.slideUp('slow')
 
   load: ->
-    $.post '/modules/' + @module_id + '/metric_history',
+    $.post Routes.module_metric_history_path(@module_id),
           {
             metric_name: @metric_name,
             container: @container
diff --git a/app/assets/javascripts/module/tree.js.coffee b/app/assets/javascripts/module/tree.js.coffee
index 7654dcb..49a5421 100644
--- a/app/assets/javascripts/module/tree.js.coffee
+++ b/app/assets/javascripts/module/tree.js.coffee
@@ -2,4 +2,4 @@ class Module.Tree
   @load: (loading_html, module_id) ->
     $('div#module_tree').html(loading_html)
     $('div#metric_results').html(loading_html)
-    $.post '/modules/'+module_id+'/tree'
\ No newline at end of file
+    $.post Routes.module_tree_path(module_id)
diff --git a/app/assets/javascripts/repository/branch.js.coffee b/app/assets/javascripts/repository/branch.js.coffee
index 3dc373d..f24d6b1 100644
--- a/app/assets/javascripts/repository/branch.js.coffee
+++ b/app/assets/javascripts/repository/branch.js.coffee
@@ -47,7 +47,7 @@ class Repository.Branch
     scm_type = $("#repository_scm_type").val()
 
     context = this
-    @request = $.get '/repository_branches',
+    @request = $.get Routes.repository_branches_path(),
       {'url': address, 'scm_type': scm_type},
       (data) ->
         unless data["errors"]
diff --git a/app/assets/javascripts/repository/state.js.coffee b/app/assets/javascripts/repository/state.js.coffee
index 9e3d2df..7e96a78 100644
--- a/app/assets/javascripts/repository/state.js.coffee
+++ b/app/assets/javascripts/repository/state.js.coffee
@@ -2,7 +2,7 @@ class Repository.State
   constructor: (@repository_id) ->
 
   poll_state: (last_state) ->
-    $.get('/repositories/' + @repository_id + '/state',
+    $.get(Routes.repository_state_path(@repository_id),
            last_state: last_state)
 
   schedule_poll_state: (last_state) ->
diff --git a/config/initializers/jsroutes.rb b/config/initializers/jsroutes.rb
new file mode 100644
index 0000000..2ca9d5d
--- /dev/null
+++ b/config/initializers/jsroutes.rb
@@ -0,0 +1,3 @@
+JsRoutes.setup do |config|
+  config.prefix = Mezuro::Application.config.relative_url_root
+end
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 366480f..5a9ebfe 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -37,8 +37,8 @@ Rails.application.routes.draw do
     end
 
     # Modules
-    post '/modules/:id/metric_history' => 'modules#metric_history'
-    post '/modules/:id/tree' => 'modules#load_module_tree'
+    post '/modules/:id/metric_history' => 'modules#metric_history', as: 'module_metric_history'
+    post '/modules/:id/tree' => 'modules#load_module_tree', as: 'module_tree'
 
     # Tutorials
     get '/tutorials/:name' => 'tutorials#view', as: 'tutorials'
diff --git a/spec/javascripts/spec_helper.js.coffee b/spec/javascripts/spec_helper.js.coffee
index 61800f7..a0fdcec 100644
--- a/spec/javascripts/spec_helper.js.coffee
+++ b/spec/javascripts/spec_helper.js.coffee
@@ -1,5 +1,6 @@
 #= require jquery
 #= require sinon
+#= require js-routes
 
 #= require modules
 #= require repository
\ No newline at end of file
--
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