diff --git a/tests/test_main.cpp b/tests/test_main.cpp
index ba81218cd26..6569e8f9b11 100644
--- a/tests/test_main.cpp
+++ b/tests/test_main.cpp
@@ -369,6 +369,9 @@ struct GodotTestCaseListener : public doctest::IReporter {
 #ifdef TOOLS_ENABLED
 		if (EditorSettings::get_singleton()) {
 			EditorSettings::destroy();
+
+			// Instantiating the EditorSettings singleton sets the locale to the editor's language.
+			TranslationServer::get_singleton()->set_locale("en");
 		}
 		if (EditorPaths::get_singleton()) {
 			EditorPaths::free();