diff --git a/extensions/sticky/js/bootstrap.js b/extensions/sticky/js/bootstrap.js
index d7ba8d882..c176c9436 100644
--- a/extensions/sticky/js/bootstrap.js
+++ b/extensions/sticky/js/bootstrap.js
@@ -19,6 +19,7 @@ app.initializers.add('sticky', function() {
   app.notificationComponentRegistry['discussionStickied'] = NotificationDiscussionStickied;
 
   Discussion.prototype.isSticky = Model.prop('isSticky');
+  Discussion.prototype.canSticky = Model.prop('canSticky');
 
   // Add a sticky badge to discussions.
   extend(Discussion.prototype, 'badges', function(badges) {
@@ -42,7 +43,7 @@ app.initializers.add('sticky', function() {
 
   // Add a sticky control to discussions.
   extend(Discussion.prototype, 'controls', function(items) {
-    if (this.canEdit()) {
+    if (this.canSticky()) {
       items.add('sticky', ActionButton.component({
         label: this.isSticky() ? 'Unsticky' : 'Sticky',
         icon: 'thumb-tack',
diff --git a/extensions/sticky/src/Handlers/StickySaver.php b/extensions/sticky/src/Handlers/StickySaver.php
index cffbb6208..d01da961c 100755
--- a/extensions/sticky/src/Handlers/StickySaver.php
+++ b/extensions/sticky/src/Handlers/StickySaver.php
@@ -18,6 +18,8 @@ class StickySaver
             $discussion = $event->discussion;
             $user = $event->command->user;
 
+            $discussion->assertCan($user, 'sticky');
+
             if ((bool) $discussion->is_sticky === $isSticky) {
                 return;
             }
diff --git a/extensions/sticky/src/StickyServiceProvider.php b/extensions/sticky/src/StickyServiceProvider.php
index 2dd79f6e7..f5c1496a7 100644
--- a/extensions/sticky/src/StickyServiceProvider.php
+++ b/extensions/sticky/src/StickyServiceProvider.php
@@ -23,12 +23,15 @@ class StickyServiceProvider extends ServiceProvider
 
         $this->postType('Flarum\Sticky\DiscussionStickiedPost');
 
-        $this->serializeAttributes('Flarum\Api\Serializers\DiscussionSerializer', function (&$attributes, $model) {
+        $this->serializeAttributes('Flarum\Api\Serializers\DiscussionSerializer', function (&$attributes, $model, $serializer) {
             $attributes['isSticky'] = (bool) $model->is_sticky;
+            $attributes['canSticky'] = (bool) $model->can($serializer->actor->getUser(), 'sticky');
         });
 
         $this->discussionGambit('Flarum\Sticky\StickyGambit');
 
         $this->notificationType('Flarum\Sticky\DiscussionStickiedNotification', ['alert' => true]);
+
+        $this->permission('discussion.sticky');
     }
 }