diff --git a/internal/config/lang.go b/internal/config/lang.go
index 7472eab..a22052c 100644
--- a/internal/config/lang.go
+++ b/internal/config/lang.go
@@ -41,7 +41,7 @@ func init() {
 func SystemLang() string {
 	lang := os.Getenv("LANG")
 	lang, _, _ = strings.Cut(lang, ".")
-	if lang == "" {
+	if lang == "" || lang == "C" {
 		lang = "en"
 	}
 	return lang