diff --git a/src/Illuminate/Cache/CacheManager.php b/src/Illuminate/Cache/CacheManager.php
index 3313161ac08b..0098f9e895e4 100755
--- a/src/Illuminate/Cache/CacheManager.php
+++ b/src/Illuminate/Cache/CacheManager.php
@@ -257,7 +257,7 @@ protected function newDynamodbClient(array $config)
             'endpoint' => $config['endpoint'] ?? null,
         ];
 
-        if (isset($config['key'], $config['secret'])) {
+        if (! empty($config['key']) && ! empty($config['secret'])) {
             $dynamoConfig['credentials'] = Arr::only(
                 $config, ['key', 'secret', 'token']
             );