diff --git a/src/Plugin/Block/InstagramPostBlock.php b/src/Plugin/Block/InstagramPostBlock.php
index f197cd9..c595cbc 100644
--- a/src/Plugin/Block/InstagramPostBlock.php
+++ b/src/Plugin/Block/InstagramPostBlock.php
@@ -137,6 +137,7 @@ class InstagramPostBlock extends SocialBlockBase implements ContainerFactoryPlug
    */
   public function build() {
     $build = [];
+    $items = [];
     $config = $this->config;
     $block_settings = $this->getConfiguration();