diff --git a/vimrc b/vimrc
index f26e697f..7677e33e 100644
--- a/vimrc
+++ b/vimrc
@@ -9,6 +9,7 @@ set number
 set listchars=trail:.
 set list
 
+au BufRead,BufNewFile *.ipynb set filetype=json
 syntax on
 if &diff
         syntax off