diff --git a/modules/ppcp-wc-gateway/src/Processor/AuthorizedPaymentsProcessor.php b/modules/ppcp-wc-gateway/src/Processor/AuthorizedPaymentsProcessor.php
index 5eb63b683..34bc13060 100644
--- a/modules/ppcp-wc-gateway/src/Processor/AuthorizedPaymentsProcessor.php
+++ b/modules/ppcp-wc-gateway/src/Processor/AuthorizedPaymentsProcessor.php
@@ -105,7 +105,7 @@ class AuthorizedPaymentsProcessor {
 	 *
 	 * @var string
 	 */
-	private $reauthorization_failure_reason;
+	private $reauthorization_failure_reason = '';
 
 	/**
 	 * AuthorizedPaymentsProcessor constructor.