diff --git a/Containers/nextcloud/config/s3.config.php b/Containers/nextcloud/config/s3.config.php
index f902bde8..b973fbc4 100644
--- a/Containers/nextcloud/config/s3.config.php
+++ b/Containers/nextcloud/config/s3.config.php
@@ -11,7 +11,6 @@ if (getenv('OBJECTSTORE_S3_BUCKET')) {
         'bucket' => getenv('OBJECTSTORE_S3_BUCKET'),
         'key' => getenv('OBJECTSTORE_S3_KEY') ?: '',
         'secret' => getenv('OBJECTSTORE_S3_SECRET') ?: '',
-        'sse_c_key' => getenv('OBJECTSTORE_S3_SSE_C_KEY') ?: '',
         'region' => getenv('OBJECTSTORE_S3_REGION') ?: '',
         'hostname' => getenv('OBJECTSTORE_S3_HOST') ?: '',
         'port' => getenv('OBJECTSTORE_S3_PORT') ?: '',
@@ -26,4 +25,9 @@ if (getenv('OBJECTSTORE_S3_BUCKET')) {
       )
     )
   );
+
+  $sse_c_key = getenv('OBJECTSTORE_S3_SSE_C_KEY');
+  if ($sse_c_key) {
+    $CONFIG['objectstore']['arguments']['sse_c_key'] = $sse_c_key;
+  }
 }