diff --git a/lib/Redisent/Redisent.php b/lib/Redisent/Redisent.php
index 1580b89..4b480f6 100644
--- a/lib/Redisent/Redisent.php
+++ b/lib/Redisent/Redisent.php
@@ -13,7 +13,7 @@ define('CRLF', sprintf('%s%s', chr(13), chr(10)));
  * Wraps native Redis errors in friendlier PHP exceptions
  * Only declared if class doesn't already exist to ensure compatibility with php-redis
  */
-if (! class_exists('RedisException')) {
+if (! class_exists('RedisException', false)) {
     class RedisException extends Exception {
     }
 }