diff --git a/ftdetect/racket.vim b/ftdetect/racket.vim
index 07288dd..67c26df 100644
--- a/ftdetect/racket.vim
+++ b/ftdetect/racket.vim
@@ -18,6 +18,7 @@ let g:racket_hash_lang_regexp = get(g:, 'racket_hash_lang_regexp',
 let g:racket_hash_lang_dict =
       \ extend(get(g:, 'racket_hash_lang_dict', #{}), {
       \   'racket/base': 'racket',
+      \   'racket/gui': 'racket',
       \   'typed/racket': 'racket',
       \   'typed/racket/base': 'racket',
       \   'br': 'racket',
diff --git a/indent/racket.vim b/indent/racket.vim
index 0f8deea..1f42a90 100644
--- a/indent/racket.vim
+++ b/indent/racket.vim
@@ -22,7 +22,7 @@ setlocal lispwords+=struct
 setlocal lispwords+=with-input-from-file,with-output-to-file
 
 " Racket OOP
-setlocal lispwords+=class,define/public,define/private
+setlocal lispwords+=class,define/public,define/private,define/override
 
 " kanren
 setlocal lispwords+=fresh,run,run*,project,conde,condu