diff --git a/modules/tide_ckeditor/src/Plugin/EmbeddedContent/TideIframe.php b/modules/tide_ckeditor/src/Plugin/EmbeddedContent/TideIframe.php
index 2af1f58d0..7ba339b64 100644
--- a/modules/tide_ckeditor/src/Plugin/EmbeddedContent/TideIframe.php
+++ b/modules/tide_ckeditor/src/Plugin/EmbeddedContent/TideIframe.php
@@ -59,7 +59,7 @@ public function buildConfigurationForm(array $form, FormStateInterface $form_sta
       '#type' => 'url',
       '#title' => $this->t('Url'),
       '#default_value' => $this->configuration['url'],
-      '#maxlength' => 512,
+      '#maxlength' => 1024,
       '#required' => TRUE,
     ];
     $form['width'] = [