diff --git a/ftdetect/i3.vim b/ftdetect/i3.vim
new file mode 100644
index 0000000..6995280
--- /dev/null
+++ b/ftdetect/i3.vim
@@ -0,0 +1,4 @@
+augroup i3_ftdetect
+  au!
+  au BufRead,BufNewFile *i3/config set ft=i3
+augroup END