diff --git a/readme.txt b/readme.txt
index 4d254237..ad63a4cc 100644
--- a/readme.txt
+++ b/readme.txt
@@ -564,6 +564,7 @@ Instructions for popular native integrations are below:
 = 4.4.0 =
 * Added integration with WPS Hide Login plugin.
 * Added compatibility with Contact Form 7 Stripe integration.
+* Updated MailPoet integration.
 * Fixed conflict with Ninja Forms Upload field.
 * Fixed Ninja Forms Ajax processing.
 * Fixed error in cron with Matomo Analytics.
diff --git a/src/php/MailPoet/Form.php b/src/php/MailPoet/Form.php
index 1d876d5d..f04d01d3 100644
--- a/src/php/MailPoet/Form.php
+++ b/src/php/MailPoet/Form.php
@@ -94,7 +94,7 @@ public function add_captcha( $block_content, array $block, WP_Block $instance ):
 	 * @param API $api MailPoet API instance.
 	 */
 	public function verify( API $api ): void {
-		if ( is_admin() ) {
+		if ( ! wp_doing_ajax() ) {
 			return;
 		}