diff --git a/src/classes/DB.php b/src/classes/DB.php
index e0a3466..de04cdb 100644
--- a/src/classes/DB.php
+++ b/src/classes/DB.php
@@ -72,6 +72,7 @@ public function __construct( $repository, $access_key_id, $secret_access_key, $r
 				],
 				'region'      => $region,
 				'version'     => '2012-08-10',
+				'csm'         => false,
 			]
 		);
 	}
diff --git a/src/classes/S3.php b/src/classes/S3.php
index 3f402a6..cd35bde 100644
--- a/src/classes/S3.php
+++ b/src/classes/S3.php
@@ -73,6 +73,7 @@ public function __construct( $repository, $access_key_id, $secret_access_key, $r
 				'signature'   => 'v4',
 				'region'      => $region,
 				'version'     => '2006-03-01',
+				'csm'         => false,
 			]
 		);
 	}