diff --git a/src/Drivers/Redis.php b/src/Drivers/Redis.php
index 3b9e13b..7f8d3de 100644
--- a/src/Drivers/Redis.php
+++ b/src/Drivers/Redis.php
@@ -77,7 +77,7 @@ public function get($key, $default = false)
      */
     public function has($key)
     {
-        return $this->redis->exists($key);
+        return (bool) $this->redis->exists($key);
     }
 
     /**