diff --git a/source/main.ts b/source/main.ts
index 898d7b1..51c2afe 100644
--- a/source/main.ts
+++ b/source/main.ts
@@ -176,11 +176,14 @@ async function main(
 	
 	// init
 	await _espe.conf.load(args["conf_path"]);
-	if (_espe.conf.get().general.language === null) {
-		// do nothing
-	}
-	else {
-		lib_plankton.translate.promote(_espe.conf.get().general.language);
+	{
+		const language : (null | string) = _espe.conf.get().general.language;
+		if (language === null) {
+			// do nothing
+		}
+		else {
+			lib_plankton.translate.promote(language);
+		}
 	}
 	lib_plankton.log.conf_push(
 		_espe.conf.get().log.map(