diff --git a/lt-lt/json-lt.html.markdown b/lt-lt/json-lt.html.markdown
index bfe00709..8c97e598 100644
--- a/lt-lt/json-lt.html.markdown
+++ b/lt-lt/json-lt.html.markdown
@@ -1,7 +1,7 @@
 ---
 language: json
 filename: learnjson.json
-lang: lt
+lang: lt-lt
 contributors:
   - ["Zygimantus", "https://github.com/zygimantus"]
 ---