diff --git a/.config/nvim/lua/coding.lua b/.config/nvim/lua/coding.lua
index e3f5f59..e3b07d8 100644
--- a/.config/nvim/lua/coding.lua
+++ b/.config/nvim/lua/coding.lua
@@ -20,5 +20,9 @@ packer.use {
 
 vim.api.nvim_create_autocmd('FileType', {
     pattern = { 'gitcommit', 'gitrebase' },
-    command = 'startinsert | 1',
+    callback = function()
+        -- FIXME: why does the autocmd in settings.lua not set it?
+        vim.wo.colorcolumn = tostring(vim.o.textwidth)
+        vim.cmd([[startinsert | 1]])
+    end
 })