diff --git a/web/concrete/blocks/image_slider/composer.php b/web/concrete/blocks/image_slider/composer.php
index df4173619b6..ecbb1aff3f9 100644
--- a/web/concrete/blocks/image_slider/composer.php
+++ b/web/concrete/blocks/image_slider/composer.php
@@ -1,3 +1,3 @@
 <?php
 defined('C5_EXECUTE') or die("Access Denied.");
-$this->inc('form_setup_html.php', array('view' => $view));
\ No newline at end of file
+$view->inc('form_setup_html.php', array('view' => $view));
\ No newline at end of file
diff --git a/web/concrete/blocks/image_slider/controller.php b/web/concrete/blocks/image_slider/controller.php
index b8ee777cd26..ef43c6b4969 100644
--- a/web/concrete/blocks/image_slider/controller.php
+++ b/web/concrete/blocks/image_slider/controller.php
@@ -60,6 +60,11 @@ public function edit()
         $this->set('rows', $query);
     }
 
+    public function composer()
+    {
+        $this->edit();
+    }
+
     public function registerViewAssets()
     {
         $this->requireAsset('javascript', 'jquery');
diff --git a/web/concrete/src/Page/Type/Composer/Control/BlockControl.php b/web/concrete/src/Page/Type/Composer/Control/BlockControl.php
index b8de8db3c6e..ab1f99e0c92 100644
--- a/web/concrete/src/Page/Type/Composer/Control/BlockControl.php
+++ b/web/concrete/src/Page/Type/Composer/Control/BlockControl.php
@@ -20,6 +20,7 @@ class BlockControl extends Control
     protected $ptComposerControlTypeHandle = 'block';
     protected $bt = false;
     protected $b = false;
+    protected $controller;
 
     public function setBlockTypeID($btID)
     {
@@ -178,6 +179,15 @@ public function addToPageTypeComposerFormLayoutSet(PageTypeComposerFormLayoutSet
         return $layoutSetControl;
     }
 
+    protected function getController($obj)
+    {
+        if (!isset($this->controller)) {
+            $this->controller = $obj->getController();
+            $this->controller->setupAndRun('composer');
+        }
+        return $this->controller;
+    }
+
     public function render($label, $customTemplate, $description)
     {
         $obj = $this->getPageTypeComposerControlDraftValue();
@@ -191,8 +201,7 @@ public function render($label, $customTemplate, $description)
             $obj = $this->getBlockTypeObject();
         }
 
-        $cnt = $obj->getController();
-        $cnt->setupAndRun('composer');
+        $this->getController($obj);
 
         $env = Environment::get();
         $form = Loader::helper('form');
@@ -224,7 +233,9 @@ public function inc($file, $args = array())
                 $obj = $this->getBlockTypeObject();
             }
         }
-        $controller = $obj->getController();
+
+        $controller = $this->getController($obj);
+
         extract($controller->getSets());
         extract($controller->getHelperObjects());
         $label = $this->getPageTypeComposerFormLayoutSetControlObject()->getPageTypeComposerControlDisplayLabel();