diff --git a/lib/integrity/helpers/breadcrumbs.rb b/lib/integrity/helpers/breadcrumbs.rb
index ec237595..7fe08565 100644
--- a/lib/integrity/helpers/breadcrumbs.rb
+++ b/lib/integrity/helpers/breadcrumbs.rb
@@ -8,9 +8,9 @@ def pages
       def breadcrumbs(*crumbs)
         crumbs[0..-2].map do |crumb|
           if page_data = pages.detect {|c| c.first == crumb }
-            %Q(<a href="#{page_data.last}">#{page_data.first}</a>)
+            %Q(<a href="#{path_prefix}#{page_data.last}">#{page_data.first}</a>)
           elsif @project && @project.permalink == crumb
-            %Q(<a href="#{project_url(@project)}">#{@project.permalink}</a>)
+            %Q(<a href="#{project_path(@project)}">#{@project.permalink}</a>)
           end
         end + [crumbs.last]
       end
diff --git a/lib/integrity/helpers/urls.rb b/lib/integrity/helpers/urls.rb
index 59973575..e7936f13 100644
--- a/lib/integrity/helpers/urls.rb
+++ b/lib/integrity/helpers/urls.rb
@@ -1,6 +1,11 @@
 module Integrity
   module Helpers
     module Urls
+      
+      def path_prefix
+        env['SCRIPT_NAME']
+      end
+      
       def url(path)
         url = "#{request.scheme}://#{request.host}"
 
@@ -13,12 +18,20 @@ def url(path)
         url << path
       end
 
+      def login_path
+        "#{path_prefix}/login"
+      end
+
+      def home_path
+        "#{path_prefix}/"
+      end
+
       def root_url
-        url("/")
+        url(home_path)
       end
 
       def project_path(project, *path)
-        "/" << [project.permalink, *path].join("/")
+        "#{path_prefix}/" << [project.permalink, *path].join("/")
       end
 
       def project_url(project, *path)
@@ -36,7 +49,7 @@ def push_url_for(project)
       end
 
       def build_path(build)
-        "/#{build.project.permalink}/builds/#{build.commit_identifier}"
+        "#{path_prefix}/#{build.project.permalink}/builds/#{build.commit_identifier}"
       end
 
       def build_url(build)
diff --git a/views/error.haml b/views/error.haml
index e43f3729..ca21190e 100644
--- a/views/error.haml
+++ b/views/error.haml
@@ -14,7 +14,7 @@
     %dt What can I do?
     %dd
       Is your
-      %a{ :href => project_url(@project, :edit) } config
+      %a{ :href => project_path(@project, :edit) } config
       ok?
       Need
       %a{ :href => "http://integrityapp.com/configure" } help?
diff --git a/views/home.haml b/views/home.haml
index b85604af..2b5596a5 100644
--- a/views/home.haml
+++ b/views/home.haml
@@ -4,7 +4,7 @@
     %h1
       Why don't you
       = succeed "?" do
-        %a{ :href => "/new" } create your first project
+        %a{ :href => "#{path_prefix}/new" } create your first project
 - else
   %ul#projects
     - @projects.each do |project|
@@ -20,4 +20,4 @@
             = pretty_date(project.last_build.created_at)
             = project.last_build.successful? ? "successfully" : "and failed"
   %p#new
-    %a{ :href => "/new" } Add a new project
+    %a{ :href => "#{path_prefix}/new" } Add a new project
diff --git a/views/layout.haml b/views/layout.haml
index f749336a..0123cac1 100644
--- a/views/layout.haml
+++ b/views/layout.haml
@@ -4,9 +4,9 @@
     %meta{ :content => "text/html; charset=utf-8", :"http-equiv" => "Content-Type" }
     %meta{ :content => "en", :"http-equiv" => "Content-Language" }
     %title= "#{@title.last} | integrity"
-    %link{ :media => "screen", :type => "text/css", :href => "/reset.css", :rel => "stylesheet" }
-    %link{ :media => "screen", :type => "text/css", :href => "/buttons.css", :rel => "stylesheet" }
-    %link{ :media => "screen", :type => "text/css", :href => "/integrity.css", :rel => "stylesheet" }
+    %link{ :media => "screen", :type => "text/css", :href => "#{path_prefix}/reset.css", :rel => "stylesheet" }
+    %link{ :media => "screen", :type => "text/css", :href => "#{path_prefix}/buttons.css", :rel => "stylesheet" }
+    %link{ :media => "screen", :type => "text/css", :href => "#{path_prefix}/integrity.css", :rel => "stylesheet" }
     - unless @project.nil?
       %link{ :rel => "alternate", :type => "application/atom+xml", :title => "Build history Atom", :href => "#{project_path(@project)}.atom"}
 
@@ -24,5 +24,5 @@
           %strong&= current_user
         - else
           Hey there!
-          %a{ :href => "/login" } Log In
+          %a{ :href => login_path } Log In
           if you have a user
diff --git a/views/new.haml b/views/new.haml
index 24d0d80f..03ea3612 100644
--- a/views/new.haml
+++ b/views/new.haml
@@ -1,4 +1,4 @@
-%form{ :method => "post", :action => (@project.new_record? ? "/" : project_path(@project)) }
+%form{ :method => "post", :action => (@project.new_record? ? "#{path_prefix}/" : project_path(@project)) }
   - unless @project.new_record?
     .hidden
       %input{ :name => "_method", :type => "hidden", :value => "put" }
diff --git a/views/not_found.haml b/views/not_found.haml
index 0f784a0e..a46f08f6 100644
--- a/views/not_found.haml
+++ b/views/not_found.haml
@@ -1,7 +1,7 @@
 .error
   %h1
     Ehm, you seem a bit lost, sir. Maybe going to the
-    %a{ :href => "/", :rel => "home" } list of projects
+    %a{ :href => home_path, :rel => "home" } list of projects
     will help?
   %dl
     %dt Ouch. This is a 404 error-thingie, right?
@@ -14,7 +14,7 @@
         %strong DON'T PANIC
       / if you didn't get the reference you aren't as nerd as you should be
       You should probably just go back to
-      %a{ :href => "/", :rel => "home" } the projects list
+      %a{ :href => home_path, :rel => "home" } the projects list
       or, alternatively, go
       = succeed "." do
         %a{ :href => request.referer } back from whence you came
diff --git a/views/unauthorized.haml b/views/unauthorized.haml
index 6cd85daa..bf528b8e 100644
--- a/views/unauthorized.haml
+++ b/views/unauthorized.haml
@@ -1,10 +1,10 @@
 .error
   %h1
     So... you don't know the password? Hmm... You can
-    %a{ :href => "/login" } try again
+    %a{ :href => login_path } try again
     or
     = succeed "." do
-      %a{ :href => "/", :rel => "home" } go back
+      %a{ :href => home_path, :rel => "home" } go back
 
   %dl
     %dt Er... So... I'm trying to login without a password...
@@ -19,12 +19,12 @@
     %dd
       This just means that you can't access some part of this Integrity
       server, but that shouldn't let you out of some of the
-      %a{ :href => "/" } awesome projects
+      %a{ :href => home_path } awesome projects
       hosted here. If this was just a misunderstanding and you
       %strong do
       have a password, then
       = succeed "." do
-        %a{ :href => "/login" } click here to try again
+        %a{ :href => login_path } click here to try again
 
     %dt
       So what the hell is