diff --git a/core/modules/config/src/Tests/ConfigSingleImportExportTest.php b/core/modules/config/src/Tests/ConfigSingleImportExportTest.php
index a5b8386..d7f9c7f 100644
--- a/core/modules/config/src/Tests/ConfigSingleImportExportTest.php
+++ b/core/modules/config/src/Tests/ConfigSingleImportExportTest.php
@@ -20,7 +20,8 @@ class ConfigSingleImportExportTest extends WebTestBase {
   public static $modules = [
     'block',
     'config',
-    'config_test'
+    'config_test',
+    'language',
   ];
 
   protected function setUp() {