diff --git a/.coveralls.yml b/.coveralls.yml
new file mode 100644
index 0000000..9160059
--- /dev/null
+++ b/.coveralls.yml
@@ -0,0 +1 @@
+service_name: travis-ci
diff --git a/.gitignore b/.gitignore
index 4040c6c..68f1257 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 .bundle
 Gemfile.lock
 pkg/*
+*.swp
diff --git a/config.ru b/config.ru
index b503fde..5c4a5e5 100644
--- a/config.ru
+++ b/config.ru
@@ -1,4 +1,15 @@
+require 'rack'
 require 'rewritten'
+require 'rewritten/server'
+require 'pry'
+require 'byebug'
 
-run Rewritten::Server
+map "/rewritten" do
+  run Rewritten::Server
+end
+
+map "/" do
+  use Rack::Rewritten::Url
+  run Rack::Dummy.new
+end
 
diff --git a/lib/rack/dummy.rb b/lib/rack/dummy.rb
index 3b92ab2..8f93fcc 100644
--- a/lib/rack/dummy.rb
+++ b/lib/rack/dummy.rb
@@ -14,12 +14,10 @@ def call(env)
       lines <<  req.env.inspect
       lines <<  "SUBDOMAIN: #{env['SUBDOMAIN']}"
       lines << '<a href="/some/resource">'
-      [200, {"Content-Type"  => "text/plain"}, lines.join("\n")]
+      [200, {"Content-Type"  => "text/plain"}, [lines.join("\n")]]
     end
 
   end
 
 end
 
-
-
diff --git a/lib/rack/url.rb b/lib/rack/url.rb
index 98a24d2..7d97708 100644
--- a/lib/rack/url.rb
+++ b/lib/rack/url.rb
@@ -46,6 +46,7 @@ def call(env)
           current_path = ::Rewritten.get_current_translation(to)
           current_path = current_path.split(":").last
           current_path = current_path.split('?')[0]
+          current_path = URI.encode(current_path)
 
           if (current_path == req.path_info) or (::Rewritten.base_from(req.path_info) == current_path) or ::Rewritten.has_flag?(path, 'L')
             # if this is the current path, rewrite path and parameters
diff --git a/lib/rewritten.rb b/lib/rewritten.rb
index d77a710..8016747 100644
--- a/lib/rewritten.rb
+++ b/lib/rewritten.rb
@@ -188,7 +188,9 @@ def all_tos
   end
 
   def translate(from)
-    redis.hget("from:#{from}", :to)
+    return nil if from.nil?
+    decoded_from = URI.decode(from)
+    redis.hget("from:#{decoded_from}", :to)
   end
 
   def get_all_translations(to)
@@ -197,11 +199,12 @@ def get_all_translations(to)
 
   def get_current_translation(path, tail=nil)
 
-    uri = URI.parse(path)
+    uri = URI.parse( URI.encode(path) )
 
-    # find directly
+    # try to find absolute path
     translation = Rewritten.z_range("to:#{path}", -1)
    
+    # try to find relative path
     unless translation 
       translation = Rewritten.z_range("to:#{uri.path}", -1)
     end
@@ -218,11 +221,11 @@ def get_current_translation(path, tail=nil)
     end
 
     complete_path = (tail ? translation+"/"+tail : translation)
-    translated_uri = URI.parse(complete_path)
+    translated_uri = URI.parse( URI.encode(complete_path) )
     uri.path = translated_uri.path
     uri.query = [translated_uri.query, uri.query].compact.join('&')
     uri.query = nil if uri.query == ''
-    uri.to_s
+    URI.decode(uri.to_s)
   end
 
 
@@ -302,6 +305,8 @@ def all_hits
 
   def includes?(path)
 
+    path = URI.decode(path)
+
     result = Rewritten.redis.hget("from:#{path.chomp('/')}", :to)
     result = Rewritten.redis.hget("from:#{path.split('?')[0]}", :to) unless result
 
diff --git a/rewritten.gemspec b/rewritten.gemspec
index 8b6ce56..06e3d77 100644
--- a/rewritten.gemspec
+++ b/rewritten.gemspec
@@ -25,6 +25,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "rake"
   s.add_development_dependency "minitest"
   s.add_development_dependency "pry"
+  s.add_development_dependency "byebug"
   s.add_development_dependency "coveralls"
 
   s.description = <<description
diff --git a/test/rack/rewritten_url_test.rb b/test/rack/rewritten_url_test.rb
index c04f14e..0ab371c 100644
--- a/test/rack/rewritten_url_test.rb
+++ b/test/rack/rewritten_url_test.rb
@@ -21,6 +21,7 @@ def request_url(url, params={})
     Rewritten.add_translation '/foo/bar', '/products/1'
     Rewritten.add_translation '/foo/baz', '/products/1'
     Rewritten.add_translation '/foo/with/params', '/products/2?w=1'
+    Rewritten.add_translation '/überfoo', '/uber'
   }
 
   describe "redirection behavior" do
@@ -243,6 +244,12 @@ def request_url(url, params={})
       @initial_args['PATH_INFO'].must_equal "/products/2" 
     end
 
+    it "must set PATH_INFO with Umlauts" do
+      @initial_args = request_url( URI.encode('/überfoo') )
+      @rack.call(@initial_args)
+      @initial_args['PATH_INFO'].must_equal "/uber"
+    end
+
     it "must set QUERY_STRING to w=1" do
       @rack.call(@initial_args)
       @initial_args['QUERY_STRING'].must_equal 'w=1'
diff --git a/test/rewritten_test.rb b/test/rewritten_test.rb
index 7d8fc36..0549316 100644
--- a/test/rewritten_test.rb
+++ b/test/rewritten_test.rb
@@ -34,6 +34,11 @@
       Rewritten.get_current_translation('http://localhost:3000/to_without_params').must_equal 'http://localhost:3000/from_without_params'
     end
 
+    it "must work with Umlauts and Encoded Umlauts" do
+      Rewritten.add_translation('/ÜberFoo', '/to')
+      Rewritten.get_current_translation('/to').must_equal '/ÜberFoo'
+    end
+
   end
 
   describe 'get_infinitive (always from conjugated for -> for)' do
@@ -65,7 +70,7 @@
 
   end
 
-  describe "basic interface" do
+  describe ".translate" do
 
     it "must translate froms" do
       Rewritten.translate('/from').must_equal '/to'
@@ -74,15 +79,31 @@
       Rewritten.translate('/with/flags').must_equal '/to3'
     end
 
+    it 'must translate encoded umlauts' do
+      Rewritten.add_translation('/überfoo', '/uber')
+      Rewritten.translate(URI.encode('/überfoo')).must_equal '/uber' 
+    end
+
+  end
+
+  describe ".full_line" do
     it "must return the  complete line with flags" do
       Rewritten.full_line('/from').must_equal '/from'
       Rewritten.full_line('/with/flags').must_equal '/with/flags [L12]'
     end
+  end
 
+  describe ".all_tos" do
     it "must give all tos" do
       Rewritten.all_tos.sort.must_equal ["/to", "/to2", "/to3"] 
     end
+  end
 
+  describe '.includes?' do
+    it 'works for Umlauts' do
+      Rewritten.add_translation('/überfoo', '/uber')
+      Rewritten.includes?( URI.encode('/überfoo') ).wont_equal nil
+    end
   end
 
 
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 5ad0471..0ab5915 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,9 +1,9 @@
+require 'coveralls'
+Coveralls.wear!
+
 require 'rewritten'
 require 'minitest/autorun'
 require 'pry'
-require 'coveralls'
-
-Coveralls.wear!
 
 class Minitest::Spec