diff --git a/modules/ppcp-button/src/Endpoint/CartScriptParamsEndpoint.php b/modules/ppcp-button/src/Endpoint/CartScriptParamsEndpoint.php
index 848923876..6f086397f 100644
--- a/modules/ppcp-button/src/Endpoint/CartScriptParamsEndpoint.php
+++ b/modules/ppcp-button/src/Endpoint/CartScriptParamsEndpoint.php
@@ -67,10 +67,10 @@ class CartScriptParamsEndpoint implements EndpointInterface {
 	 */
 	public function handle_request(): bool {
 		try {
-            if ( ! $this->smart_button instanceof SmartButton ) {
-                wp_send_json_error();
-                return false;
-            }
+			if ( ! $this->smart_button instanceof SmartButton ) {
+				wp_send_json_error();
+				return false;
+			}
 
 			if ( is_callable( 'wc_maybe_define_constant' ) ) {
 				wc_maybe_define_constant( 'WOOCOMMERCE_CART', true );