diff --git a/apps/files_external/lib/amazons3.php b/apps/files_external/lib/amazons3.php
index 8b1303381da0c3295e66dc939828f62fe9d26c3c..4c31bdb757eed9438804a66daa9cc2280a394a99 100644
--- a/apps/files_external/lib/amazons3.php
+++ b/apps/files_external/lib/amazons3.php
@@ -71,7 +71,7 @@ class AmazonS3 extends \OC\Files\Storage\Common {
 				'key' => $params['key'],
 				'secret' => $params['secret'],
 				'scheme' => $scheme,
-				'region' => $params'[region']
+				'region' => $params['region']
 			));
 		}