diff --git a/users/teppeis.json b/users/teppeis.json
index fb7c8eb9..616c02f5 100644
--- a/users/teppeis.json
+++ b/users/teppeis.json
@@ -1 +1 @@
-{"copyright": "Teppei Sato", "url": "https:\/\/github.com\/teppeis", "email": "teppeis@gmail.com", "format": "double-windsor"}
+{"copyright": "Teppei Sato", "url": "https:\/\/github.com\/teppeis", "email": "teppeis@gmail.com", "theme": "double-windsor"}