diff --git a/core/lib/Drupal/Core/Updater/Updater.php b/core/lib/Drupal/Core/Updater/Updater.php
index 1d3fdb59a002568c3b3c38e177135eb2d685f5f6..46ea7ea8cd83c2c7ce79da4406470fa1089be622 100644
--- a/core/lib/Drupal/Core/Updater/Updater.php
+++ b/core/lib/Drupal/Core/Updater/Updater.php
@@ -291,7 +291,7 @@ public function install(&$filetransfer, $overrides = []) {
       return $this->postInstallTasks();
     }
     catch (FileTransferException $e) {
-      throw new UpdaterFileTransferException("File Transfer failed, reason: '" . strtr($e->getMessage(), $e->arguments)) . "'";
+      throw new UpdaterFileTransferException("File Transfer failed, reason: '" . strtr($e->getMessage(), $e->arguments) . "'");
     }
   }