diff --git a/src/main/scala/app/IssuesController.scala b/src/main/scala/app/IssuesController.scala
index 8fddaa9..b63625d 100644
--- a/src/main/scala/app/IssuesController.scala
+++ b/src/main/scala/app/IssuesController.scala
@@ -61,7 +61,7 @@
       issues.html.issue(
           _,
           getComments(owner, repository, issueId.toInt),
-          getIssueLabel(owner, repository, issueId.toInt),
+          getIssueLabels(owner, repository, issueId.toInt),
           (getCollaborators(owner, repository) :+ owner).sorted,
           getMilestones(owner, repository),
           getLabels(owner, repository),
@@ -115,16 +115,6 @@
     redirect("/%s/%s/issues/_data/%d".format(owner, repository, issueId))
   }
 
-  // TODO Authenticator
-  ajaxPost("/:owner/:repository/issues/:id/label/:labelId/new"){
-    "TODO Insert!"
-  }
-
-  // TODO Authenticator
-  ajaxPost("/:owner/:repository/issues/:id/label/:labelId/delete"){
-    "TODO Delete!"
-  }
-
   // TODO requires users only and readable repository checking
   post("/:owner/:repository/issue_comments/new", commentForm)( usersOnly { form =>
     val owner = params("owner")
@@ -178,6 +168,28 @@
     } getOrElse NotFound
   }
 
+  // TODO Authenticator
+  ajaxPost("/:owner/:repository/issues/:id/label/new"){
+    val owner = params("owner")
+    val repository = params("repository")
+    val issueId = params("id").toInt
+
+    registerIssueLabel(owner, repository, issueId, params("labelId").toInt)
+
+    issues.html.labellist(getIssueLabels(owner, repository, issueId))
+  }
+
+  // TODO Authenticator
+  ajaxPost("/:owner/:repository/issues/:id/label/delete"){
+    val owner = params("owner")
+    val repository = params("repository")
+    val issueId = params("id").toInt
+
+    deleteIssueLabel(owner, repository, issueId, params("labelId").toInt)
+
+    issues.html.labellist(getIssueLabels(owner, repository, issueId))
+  }
+
   ajaxPost("/:owner/:repository/issues/assign/:id"){
     val owner      = params("owner")
     val repository = params("repository")
diff --git a/src/main/scala/service/IssuesService.scala b/src/main/scala/service/IssuesService.scala
index 299b4c2..778f24e 100644
--- a/src/main/scala/service/IssuesService.scala
+++ b/src/main/scala/service/IssuesService.scala
@@ -25,7 +25,7 @@
       Query(IssueComments) filter (_.byPrimaryKey(commentId.toInt)) firstOption
     else None
 
-  def getIssueLabel(owner: String, repository: String, issueId: Int) =
+  def getIssueLabels(owner: String, repository: String, issueId: Int) =
     IssueLabels
       .innerJoin(Labels).on { (t1, t2) =>
         t1.byLabel(t2.userName, t2.repositoryName, t2.labelId)
diff --git a/src/main/twirl/issues/issue.scala.html b/src/main/twirl/issues/issue.scala.html
index b5d36cd..0074136 100644
--- a/src/main/twirl/issues/issue.scala.html
+++ b/src/main/twirl/issues/issue.scala.html
@@ -189,21 +189,22 @@
   });
 
   $('a.toggle-label').click(function(){
-    var url = '@url(repository)/issues/@issue.issueId/label/' + $(this).data('label-id');
-    var icon;
+    var path, icon;
     var i = $(this).children('i');
     if(i.hasClass('icon-ok')){
-      url += '/delete';
+      path = 'delete';
       icon = 'icon-white';
     } else {
-      url += '/new';
+      path = 'new';
       icon = 'icon-ok';
     }
-    $.post(url,
+    $.post('@url(repository)/issues/@issue.issueId/label/' + path,
+    {
+      labelId : $(this).data('label-id')
+    },
     function(data){
       i.removeClass().addClass(icon);
-      // TODO label sort
-      alert(data);
+      $('ul.label-list').empty().html(data);
     });
     return false;
   });