diff --git a/modules/ppcp-wc-gateway/src/Helper/PayUponInvoiceHelper.php b/modules/ppcp-wc-gateway/src/Helper/PayUponInvoiceHelper.php
index 6b9af84c8..98bf0fbe3 100644
--- a/modules/ppcp-wc-gateway/src/Helper/PayUponInvoiceHelper.php
+++ b/modules/ppcp-wc-gateway/src/Helper/PayUponInvoiceHelper.php
@@ -59,6 +59,12 @@ class PayUponInvoiceHelper {
 			return false;
 		}
 
+		// phpcs:ignore WordPress.Security.NonceVerification.Missing
+		$shipping_country = wc_clean( wp_unslash( $_POST['s_country'] ?? '' ) );
+		if ( $shipping_country && 'DE' !== $shipping_country ) {
+			return false;
+		}
+
 		if ( ! $this->is_valid_currency() ) {
 			return false;
 		}