diff --git a/includes/class-wc-ajax.php b/includes/class-wc-ajax.php
index d7fe9278a90..55785ddbd83 100644
--- a/includes/class-wc-ajax.php
+++ b/includes/class-wc-ajax.php
@@ -131,9 +131,11 @@ class WC_AJAX {
 
 		$chosen_shipping_methods = WC()->session->get( 'chosen_shipping_methods' );
 
-		if ( isset( $_POST['shipping_method'] ) && is_array( $_POST['shipping_method'] ) )
-			foreach ( $_POST['shipping_method'] as $i => $value )
+		if ( isset( $_POST['shipping_method'] ) && is_array( $_POST['shipping_method'] ) ) {
+			foreach ( $_POST['shipping_method'] as $i => $value ) {
 				$chosen_shipping_methods[ $i ] = wc_clean( $value );
+			}
+		}
 
 		WC()->session->set( 'chosen_shipping_methods', $chosen_shipping_methods );