diff --git a/Config/Config.php b/Config/Config.php
index d690c4e9..64f84e5a 100644
--- a/Config/Config.php
+++ b/Config/Config.php
@@ -235,6 +235,14 @@ public function isWebhookTriggerOnOrderState(): bool
         return $this->getWebhookTriggerMode() === 'on_order_state';
     }
 
+    /**
+     * Whether to skip storing purchase event in checkout session
+     */
+    public function isPurchaseSessionStorageDisabled(): bool
+    {
+        return (bool)$this->getModuleConfigValueAdvanced('disable_purchase_session_storage', false);
+    }
+
     /**
      * @return bool
      */
diff --git a/Observer/TriggerPurchaseDataLayerEvent.php b/Observer/TriggerPurchaseDataLayerEvent.php
index 0d579da1..04411ed4 100644
--- a/Observer/TriggerPurchaseDataLayerEvent.php
+++ b/Observer/TriggerPurchaseDataLayerEvent.php
@@ -6,6 +6,7 @@
 use Magento\Framework\Event\ObserverInterface;
 use Magento\Sales\Api\Data\OrderInterface;
 use Tagging\GTM\Api\CheckoutSessionDataProviderInterface;
+use Tagging\GTM\Config\Config;
 use Tagging\GTM\DataLayer\Event\Purchase as PurchaseEvent;
 use Tagging\GTM\Logger\Debugger;
 use Exception;
@@ -15,15 +16,18 @@ class TriggerPurchaseDataLayerEvent implements ObserverInterface
     private CheckoutSessionDataProviderInterface $checkoutSessionDataProvider;
     private PurchaseEvent $purchaseEvent;
     private Debugger $debugger;
+    private Config $config;
 
     public function __construct(
         CheckoutSessionDataProviderInterface $checkoutSessionDataProvider,
         PurchaseEvent $purchaseEvent,
-        Debugger $debugger
+        Debugger $debugger,
+        Config $config
     ) {
         $this->checkoutSessionDataProvider = $checkoutSessionDataProvider;
         $this->purchaseEvent = $purchaseEvent;
         $this->debugger = $debugger;
+        $this->config = $config;
     }
 
     public function execute(Observer $observer)
@@ -31,6 +35,11 @@ public function execute(Observer $observer)
         /** @var OrderInterface $order */
         $order = $observer->getData('order');
 
+        if ($this->config->isPurchaseSessionStorageDisabled()) {
+            $this->debugger->debug("[TriggerPurchaseDataLayerEvent] Purchase session storage disabled; skipping add");
+            return;
+        }
+
         $this->debugger->debug("TriggerPurchaseDataLayerEvent::execute(): has changed ");
         $this->checkoutSessionDataProvider->add(
             'purchase_event',
diff --git a/etc/adminhtml/system.xml b/etc/adminhtml/system.xml
index b58f433d..c9a436d2 100644
--- a/etc/adminhtml/system.xml
+++ b/etc/adminhtml/system.xml
@@ -84,6 +84,14 @@
                         <field id="webhook_trigger_mode">on_order_state</field>
                     </depends>
                 </field>
+                <field id="disable_purchase_session_storage" type="select" translate="label" sortOrder="3" showInDefault="1" showInWebsite="1" showInStore="1">
+                    <label>Disable purchase session storage</label>
+                    <comment>When enabled, purchase events are not stored in checkout session (prevents pushes on non-success pages after failed/aborted payments).</comment>
+                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                    <depends>
+                        <field id="*/settings/enabled">1</field>
+                    </depends>
+                </field>
             </group>
         </section>
     </system>