diff --git a/src/Epay.php b/src/Epay.php
index 59280ce..87dd32b 100755
--- a/src/Epay.php
+++ b/src/Epay.php
@@ -131,9 +131,9 @@ public function receiveNotification($requestInputs)
                     $item = [
                         'invoice'  => $regs[1],
                         'status'   => $regs[2],
-                        'pay_date' => $regs[4] ?? '',
-                        'stan'     => $regs[5] ?? '',
-                        'bcode'    => $regs[6] ?? '',
+                        'pay_date' => $regs[4] ? $regs[4] : '',
+                        'stan'     => $regs[5] ? $regs[5] : '',
+                        'bcode'    => $regs[6] ? $regs[6] : '',
                     ];
 
                     $result['items'][] = $item;