diff --git a/vim/.vimrc b/vim/.vimrc
index f048a78..1c75322 100644
--- a/vim/.vimrc
+++ b/vim/.vimrc
@@ -84,6 +84,7 @@ au FileType lua setlocal noexpandtab
 au FileType c setlocal noexpandtab
 au FileType make setlocal noexpandtab
 au FileType yaml setlocal tabstop=2
+au FileType json setlocal tabstop=2
 
 function! s:SetFileMark(n) abort
   let g:file_marks[a:n] = expand('%:p')