diff --git a/Newsletter/lib/subscriber.php b/Newsletter/lib/subscriber.php
index 6304951da..7682a83ae 100644
--- a/Newsletter/lib/subscriber.php
+++ b/Newsletter/lib/subscriber.php
@@ -22,15 +22,7 @@ function df_subscriber($v = null, $w = null):S {
 	return !$v ? $r : (
 		df_is_email($v) ? $r->loadBySubscriberEmail($v, df_website_id($w)) : (
 			$v instanceof C ? $r->loadByCustomer(df_customer_id($v), $v->getWebsiteId()) : (
-				/**
-				 * 2024-06-02
-				 * 1.1) @uses \Magento\Quote\Model\Quote::getCustomerEmail()
-				 * 1.2) @uses \Magento\Sales\Api\Data\OrderInterface::getCustomerEmail()
-				 * 1.3) @uses \Magento\Sales\Model\Order::getCustomerEmail()
-				 * 1.4) @see \Magento\Quote\Api\Data\CartInterface does not have a method or a field for the customer's email.
-				 * 2) The customer's email can be absent in a quote.
-				 */
-				df_is_oq($v) ? $r->loadBySubscriberEmail($v->getCustomerEmail(), df_website_id($v)) :
+				df_is_oq($v) ? $r->loadBySubscriberEmail(df_oq_email($v), df_website_id($v)) :
 					df_error(['v' => $v])
 			)
 		)
diff --git a/OQ/lib/oq/get.php b/OQ/lib/oq/get.php
index 1a4331c51..5bf927b4e 100644
--- a/OQ/lib/oq/get.php
+++ b/OQ/lib/oq/get.php
@@ -2,8 +2,10 @@
 use Df\Core\Exception as DFE;
 use Df\Quote\Model\Quote as DfQ;
 use Magento\Customer\Model\Customer as C;
+use Magento\Quote\Api\Data\CartInterface as IQ;
 use Magento\Quote\Model\Quote as Q;
 use Magento\Quote\Model\Quote\Address as QA;
+use Magento\Sales\Api\Data\OrderInterface as IO;
 use Magento\Sales\Model\Order as O;
 use Magento\Sales\Model\Order\Address as OA;
 
@@ -67,6 +69,18 @@ function df_oq_customer_name($oq):string {return dfcf(function($oq) {
 	return $r ?: (df_is_o($oq) ? $oq->getCustomerName() : (string)__('Guest'));
 }, [$oq]);}
 
+/**
+ * 2024-06-02
+ * 1.1) @uses \Magento\Quote\Model\Quote::getCustomerEmail()
+ * 1.2) @uses \Magento\Sales\Api\Data\OrderInterface::getCustomerEmail()
+ * 1.3) @uses \Magento\Sales\Model\Order::getCustomerEmail()
+ * 1.4) @see \Magento\Quote\Api\Data\CartInterface does not have a method or a field for the customer's email.
+ * 2) The customer's email can be absent in a quote.
+ * @used-by df_subscriber()
+ * @param O|IO|Q|IQ $oq
+ */
+function df_oq_email($oq):?string {return $oq->getCustomerEmail();}
+
 /**
  * 2018-11-14
  * @used-by \Df\Payment\Metadata::vars()
diff --git a/composer.json b/composer.json
index 1237aaac0..9cf9a5cfd 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
 	"name": "mage2pro/core"
-	,"version": "11.0.9"
+	,"version": "11.1.0"
 	,"description": "Mage2.PRO core package."
 	,"type": "magento2-module"
 	,"homepage": "https://mage2.pro"