diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20af2dd..d8dc14c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### [Unreleased]
 
+### [3.0.11] - 2021-12-21
+
+#### Fixed
+- Error affecting customers using Magento's embedded footer forms
+
 ### [3.0.10] - 2021-11-10
 
 #### Changed
@@ -134,7 +139,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - CSP now uses report-only mode
 
 
-[Unreleased]: https://github.com/klaviyo/magento2-klaviyo/compare/3.0.10...HEAD
+[Unreleased]: https://github.com/klaviyo/magento2-klaviyo/compare/3.0.11...HEAD
+[3.0.11]: https://github.com/klaviyo/magento2-klaviyo/compare/3.0.10...3.0.11
 [3.0.10]: https://github.com/klaviyo/magento2-klaviyo/compare/3.0.9...3.0.10
 [3.0.9]: https://github.com/klaviyo/magento2-klaviyo/compare/3.0.8...3.0.9
 [3.0.8]: https://github.com/klaviyo/magento2-klaviyo/compare/3.0.7...3.0.8
diff --git a/Observer/NewsletterSubscribeObserver.php b/Observer/NewsletterSubscribeObserver.php
index 7e1f954..2820907 100644
--- a/Observer/NewsletterSubscribeObserver.php
+++ b/Observer/NewsletterSubscribeObserver.php
@@ -46,7 +46,7 @@ public function execute(Observer $observer)
         /** @var Subscriber $subscriber */
         $subscriber = $observer->getDataObject();
 
-        if ($subscriber->hasDataChanges()) {
+        if ($subscriber && $subscriber->hasDataChanges()) {
             $customer = $this->getCustomer($subscriber);
 
             if ($subscriber->isSubscribed()) {
diff --git a/composer.json b/composer.json
index fec025a..6c12273 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "name": "klaviyo/magento2-extension",
     "description": "Klaviyo extension for Magento 2. Allows pushing newsletters to Klaviyo's platform and more.",
     "type": "magento2-module",
-    "version": "3.0.10",
+    "version": "3.0.11",
     "autoload": {
         "files": [
             "registration.php"
diff --git a/etc/module.xml b/etc/module.xml
index 3c33814..b549aef 100644
--- a/etc/module.xml
+++ b/etc/module.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
-  <module name="Klaviyo_Reclaim" setup_version="3.0.10" schema_version="3.0.10">
+  <module name="Klaviyo_Reclaim" setup_version="3.0.11" schema_version="3.0.11">
       <sequence>
           <module name="Magento_Customer"/>
           <module name="Magento_Checkout"/>