diff --git a/src/kits/locale/LocaleRoster.cpp b/src/kits/locale/LocaleRoster.cpp
index 7eaf22db79..2f630c9adb 100644
--- a/src/kits/locale/LocaleRoster.cpp
+++ b/src/kits/locale/LocaleRoster.cpp
@@ -129,6 +129,7 @@ country_code_for_language(const BLanguage& language)
 		case 'pt':	// Portugal
 		case 'ro':	// Romania
 		case 'ru':	// Russia
+		case 'sk':	// Slovakia
 			return language.Code();
 	}