diff --git a/tests/Unit/Crypt/RSA/ModeTest.php b/tests/Unit/Crypt/RSA/ModeTest.php
index a7ebb45b..0b90210e 100644
--- a/tests/Unit/Crypt/RSA/ModeTest.php
+++ b/tests/Unit/Crypt/RSA/ModeTest.php
@@ -35,6 +35,7 @@ U9VQQSQzY1oZMVX8i1m5WUTLPz2yLJIBQVdXqhMCQBGoiuSoSjafUhV7i1cEGpb88h5NBYZzWXGZ
         $expected = '105b92f59a87a8ad4da52c128b8c99491790ef5a54770119e0819060032fb9e772ed6772828329567f3d7e9472154c1530f8156ba7fd732f52ca1c06' .
             '5a3f5ed8a96c442e4662e0464c97f133aed31262170201993085a589565d67cc9e727e0d087e3b225c8965203b271e38a499c92fc0d6502297eca712' .
             '4d04bd467f6f1e7c';
+        $expected = pack('H*', $expected);
         $result = $rsa->encrypt($plaintext);
 
         $this->assertEquals($result, $expected);