diff --git a/MD_STD_CACHE.php b/MD_STD_CACHE.php
index 89639e2..9cde874 100644
--- a/MD_STD_CACHE.php
+++ b/MD_STD_CACHE.php
@@ -48,6 +48,8 @@ final class MD_STD_CACHE {
      */
     public static function serve_page_through_redis_cache(string $redisKey, int $expiry = 3600):string {
 
+        if (PHP_SAPI === 'cli') return '';
+
         $redis = new Redis();
         $redis->connect(self::$redis_host, self::$redis_port, 1, NULL, 0, 0, ['auth' => [MD_CONF::$redis_pw]]);
         if ($redis->ping() !== false) {