diff --git a/.vimrc b/.vimrc
index 9ad7a79..8cc074d 100644
--- a/.vimrc
+++ b/.vimrc
@@ -14,6 +14,8 @@ set smartcase
 set smartindent
 set tabstop=4
 set ttymouse=sgr
+au BufNewFile,BufRead *.c set cc=81
+au BufNewFile,BufRead *.h set cc=81
 
 """ packages \"""
 packadd! vim-better-whitespace