diff --git a/.vimrc b/.vimrc
index 595b197..8cb1c94 100644
--- a/.vimrc
+++ b/.vimrc
@@ -163,8 +163,6 @@ nnoremap <C-k> :bprev<CR>
 " Saner CTRL-L
 " https://github.com/mhinz/vim-galore#saner-ctrl-l
 nnoremap <Leader>dh :nohlsearch<cr>:diffupdate<cr>:syntax sync fromstart<cr><c-l>
-" toggle linenumbers
-nnoremap <Leader>z :set nonu!<CR>
 " toggle cursorline
 nnoremap <Leader>h :set nocursorline!<CR>
 " strg+f sucht fuzzy nach dateien
@@ -189,3 +187,12 @@ vnoremap <Leader>sr  y:%s/<C-R>"//gc<Left><Left><Left>
 " ### Abbreviations
 iabbrev ncicht nicht
 iabbrev nciht nicht
+
+" linenumbers
+nnoremap <Leader>z :set nonumber! norelativenumber!<CR>
+" https://jeffkreeftmeijer.com/vim-number/
+:augroup numbertoggle
+:  autocmd!
+:  autocmd BufEnter,FocusGained,InsertLeave,WinEnter * if &nu && mode() != "i" | set rnu   | endif
+:  autocmd BufLeave,FocusLost,InsertEnter,WinLeave   * if &nu                  | set nornu | endif
+:augroup END