diff --git a/phpseclib/Crypt/RSA/Formats/Keys/PuTTY.php b/phpseclib/Crypt/RSA/Formats/Keys/PuTTY.php
index 30acd328..4c93b873 100644
--- a/phpseclib/Crypt/RSA/Formats/Keys/PuTTY.php
+++ b/phpseclib/Crypt/RSA/Formats/Keys/PuTTY.php
@@ -125,6 +125,6 @@ abstract class PuTTY extends Progenitor
      */
     public static function savePublicKey(BigInteger $n, BigInteger $e)
     {
-        return self::wrapPublicKey(Strings::packSSH2($e, $n), 'ssh-rsa');
+        return self::wrapPublicKey(Strings::packSSH2('ii', $e, $n), 'ssh-rsa');
     }
 }
diff --git a/tests/Unit/Crypt/RSA/LoadKeyTest.php b/tests/Unit/Crypt/RSA/LoadKeyTest.php
index 4c3c3449..9c9173d4 100644
--- a/tests/Unit/Crypt/RSA/LoadKeyTest.php
+++ b/tests/Unit/Crypt/RSA/LoadKeyTest.php
@@ -980,4 +980,18 @@ Vyaqr/WTPzxdXJAAAADHJvb3RAdmFncmFudAECAwQFBg==
 
         $this->assertTrue($key->verify('zzz', $sig));
     }
+
+    public function testPuTTYPublic()
+    {
+        $orig = '---- BEGIN SSH2 PUBLIC KEY ----
+Comment: "phpseclib-generated-key"
+AAAAB3NzaC1yc2EAAAADAQABAAAAQQCo9+BpMRYQ/dL3DS2CyJxRF+j6ctbT3/Qp
+84+KeFhnii7NT7fELilKUSnxS30WAvQCCo2yU1orfgqr41mM70MB
+---- END SSH2 PUBLIC KEY ----';
+
+        $orig = preg_replace('#(?<!\r)\n#', "\r\n", $orig);
+        $key = PublicKeyLoader::load($orig);
+
+        $this->assertSame($orig, $key->toString('PuTTY'));
+    }
 }