diff --git a/phpseclib/Crypt/RSA.php b/phpseclib/Crypt/RSA.php
index 2fea3a92..db037fe4 100644
--- a/phpseclib/Crypt/RSA.php
+++ b/phpseclib/Crypt/RSA.php
@@ -1624,6 +1624,8 @@ class Crypt_RSA
 
                 return $components;
         }
+
+        return false;
     }
 
     /**