diff --git a/app/app.py b/app/app.py
index 829f1c9..c9faa83 100644
--- a/app/app.py
+++ b/app/app.py
@@ -4,7 +4,7 @@ app = Flask(__name__)
 
 @app.route('/')
 def home():
-    return render_template('index.xht')
+    return render_template('index.j2')
 
 @app.route('/style.css')
 def style():
diff --git a/app/templates/index.xht b/app/templates/index.j2
similarity index 100%
rename from app/templates/index.xht
rename to app/templates/index.j2