diff --git a/src/Plugin/Block/InstagramPostBlock.php b/src/Plugin/Block/InstagramPostBlock.php
index d8700f0..792941e 100644
--- a/src/Plugin/Block/InstagramPostBlock.php
+++ b/src/Plugin/Block/InstagramPostBlock.php
@@ -84,6 +84,7 @@ class InstagramPostBlock extends BlockBase implements ContainerFactoryPluginInte
    */
   public function build() {
     $build = [];
+    $items = [];
     $posts = $this->instagram->getPosts($this->config->get('picture_count'), $this->config->get('picture_resolution'));
 
     foreach ($posts as $post) {