diff --git a/users/simon/modules/neovim/init.lua b/users/simon/modules/neovim/init.lua
index a36bdb2..476203d 100644
--- a/users/simon/modules/neovim/init.lua
+++ b/users/simon/modules/neovim/init.lua
@@ -41,6 +41,8 @@ cmd('colorscheme solarized')
 opt.undofile = true
 opt.undolevels = 4096
 opt.undoreload = 16384
+cmd('autocmd BufWritePre /dev/shm/* setlocal noundofile') -- exclude pass
+cmd('autocmd BufWritePre /tmp/* setlocal noundofile') -- exclude sops
 
 -- Behaviour
 opt.hidden = true -- background buffers