diff --git a/lib/TwoFactorAuth.php b/lib/TwoFactorAuth.php
index 6a68cc6..a2e4132 100644
--- a/lib/TwoFactorAuth.php
+++ b/lib/TwoFactorAuth.php
@@ -108,7 +108,7 @@ public function verifyCode($secret, $code, $discrepancy = 1, $time = null)
         for ($i = -$discrepancy; $i <= $discrepancy; $i++)  
             $result |= $this->codeEquals($this->getCode($secret, $timetamp + ($i * $this->period)), $code);
         
-        return $result;
+        return (bool)$result;
     }
     
     /**