diff --git a/includes/api/class-wc-rest-orders-controller.php b/includes/api/class-wc-rest-orders-controller.php
index 1657b2eb006..7c25cd2b7e1 100644
--- a/includes/api/class-wc-rest-orders-controller.php
+++ b/includes/api/class-wc-rest-orders-controller.php
@@ -149,7 +149,7 @@ class WC_REST_Orders_Controller extends WC_REST_Posts_Controller {
 			'payment_method_title' => $order->get_payment_method_title(),
 			'transaction_id'       => $order->get_transaction_id(),
 			'customer_ip_address'  => $order->customer_ip_address,
-			'customer_user_agent'  => $order->get_user_id()_agent,
+			'customer_user_agent'  => $order->get_user_agent(),
 			'created_via'          => $order->created_via,
 			'customer_note'        => $order->customer_note,
 			'date_completed'       => wc_rest_prepare_date_response( $order->completed_date ),
diff --git a/includes/api/legacy/v1/class-wc-api-orders.php b/includes/api/legacy/v1/class-wc-api-orders.php
index 409dbebac48..722eece1b2f 100644
--- a/includes/api/legacy/v1/class-wc-api-orders.php
+++ b/includes/api/legacy/v1/class-wc-api-orders.php
@@ -163,7 +163,7 @@ class WC_API_Orders extends WC_API_Resource {
 			),
 			'note'                      => $order->customer_note,
 			'customer_ip'               => $order->customer_ip_address,
-			'customer_user_agent'       => $order->get_user_id()_agent,
+			'customer_user_agent'       => $order->get_user_agent(),
 			'customer_id'               => $order->get_user_id(),
 			'view_order_url'            => $order->get_view_order_url(),
 			'line_items'                => array(),
diff --git a/includes/api/legacy/v2/class-wc-api-orders.php b/includes/api/legacy/v2/class-wc-api-orders.php
index 1a339efa275..ae3e3602c2f 100644
--- a/includes/api/legacy/v2/class-wc-api-orders.php
+++ b/includes/api/legacy/v2/class-wc-api-orders.php
@@ -201,7 +201,7 @@ class WC_API_Orders extends WC_API_Resource {
 			),
 			'note'                      => $order->customer_note,
 			'customer_ip'               => $order->customer_ip_address,
-			'customer_user_agent'       => $order->get_user_id()_agent,
+			'customer_user_agent'       => $order->get_user_agent(),
 			'customer_id'               => $order->get_user_id(),
 			'view_order_url'            => $order->get_view_order_url(),
 			'line_items'                => array(),
diff --git a/includes/api/legacy/v3/class-wc-api-orders.php b/includes/api/legacy/v3/class-wc-api-orders.php
index af664151ad2..fb82b01bac6 100644
--- a/includes/api/legacy/v3/class-wc-api-orders.php
+++ b/includes/api/legacy/v3/class-wc-api-orders.php
@@ -207,7 +207,7 @@ class WC_API_Orders extends WC_API_Resource {
 			),
 			'note'                      => $order->customer_note,
 			'customer_ip'               => $order->customer_ip_address,
-			'customer_user_agent'       => $order->get_user_id()_agent,
+			'customer_user_agent'       => $order->get_user_agent(),
 			'customer_id'               => $order->get_user_id(),
 			'view_order_url'            => $order->get_view_order_url(),
 			'line_items'                => array(),
diff --git a/includes/cli/class-wc-cli-order.php b/includes/cli/class-wc-cli-order.php
index 565c9258b2b..732e99dc4a3 100644
--- a/includes/cli/class-wc-cli-order.php
+++ b/includes/cli/class-wc-cli-order.php
@@ -676,7 +676,7 @@ class WC_CLI_Order extends WC_CLI_Command {
 			),
 			'note'                      => $order->customer_note,
 			'customer_ip'               => $order->customer_ip_address,
-			'customer_user_agent'       => $order->get_user_id()_agent,
+			'customer_user_agent'       => $order->get_user_agent(),
 			'customer_id'               => $order->get_user_id(),
 			'view_order_url'            => $order->get_view_order_url(),
 			'line_items'                => array(),