diff --git a/core/string/translation_server.cpp b/core/string/translation_server.cpp
index cb2bfad6df24..03eaa5ae5433 100644
--- a/core/string/translation_server.cpp
+++ b/core/string/translation_server.cpp
@@ -503,7 +503,7 @@ String TranslationServer::get_tool_locale() {
 		// Look for best matching loaded translation.
 		Ref<Translation> t = main_domain->get_translation_object(locale);
 		if (t.is_null()) {
-			return "en";
+			return fallback;
 		}
 		return t->get_locale();
 	}