diff --git a/src/main/scala/app/CreateRepositoryController.scala b/src/main/scala/app/CreateRepositoryController.scala
index 3446d16..a5ebdf1 100644
--- a/src/main/scala/app/CreateRepositoryController.scala
+++ b/src/main/scala/app/CreateRepositoryController.scala
@@ -1,24 +1,25 @@
 package app
 
 import util.Directory._
-import util.{LockUtil, JGitUtil, UsersAuthenticator, ReferrerAuthenticator}
+import util._
 import service._
 import java.io.File
 import org.eclipse.jgit.api.Git
 import org.apache.commons.io._
 import jp.sf.amateras.scalatra.forms._
 import org.eclipse.jgit.lib.PersonIdent
+import scala.Some
 
 class CreateRepositoryController extends CreateRepositoryControllerBase
   with RepositoryService with AccountService with WikiService with LabelsService with ActivityService
-  with UsersAuthenticator with ReferrerAuthenticator
+  with UsersAuthenticator with ReadableUsersAuthenticator
 
 /**
  * Creates new repository.
  */
 trait CreateRepositoryControllerBase extends ControllerBase {
   self: RepositoryService with AccountService with WikiService with LabelsService with ActivityService
-    with UsersAuthenticator with ReferrerAuthenticator =>
+    with UsersAuthenticator with ReadableUsersAuthenticator =>
 
   case class RepositoryCreationForm(owner: String, name: String, description: Option[String], isPrivate: Boolean, createReadme: Boolean)
 
@@ -113,7 +114,7 @@
     }
   })
 
-  post("/:owner/:repository/_fork")(referrersOnly { repository =>
+  get("/:owner/:repository/fork")(readableUsersOnly { repository =>
     val loginAccount   = context.loginAccount.get
     val loginUserName  = loginAccount.userName
 
diff --git a/src/main/twirl/header.scala.html b/src/main/twirl/header.scala.html
index c29a1f5..9937c17 100644
--- a/src/main/twirl/header.scala.html
+++ b/src/main/twirl/header.scala.html
@@ -3,7 +3,7 @@
 @import view.helpers._
 <div class="pull-right">
   <div class="input-prepend">
-    <input type="button" id="fork" class="btn" value="Fork" style="margin-bottom: 10px;"/>
+    <a href="@path/@repository.owner/@repository.name/fork" class="btn" style="margin-bottom: 10px;">Fork</a>
     <span class="add-on"><a href="@url(repository)/network/members">@repository.forkedCount</a></span>
   </div>
 </div>
@@ -49,12 +49,5 @@
     location.href = $(this).find('a').attr('href');
     return false;
   });
-
-  // TODO Execute by Ajax?
-  $('#fork').click(function(){
-    var form = $('form#repository_form');
-    form.attr('action', '@path/@repository.owner/@repository.name/_fork');
-    form.submit();
-  });
 });
 </script>