diff --git a/utils/vim/ftdetect/sil.vim b/utils/vim/ftdetect/sil.vim
new file mode 100644
index 0000000000000..3d856ed3b8280
--- /dev/null
+++ b/utils/vim/ftdetect/sil.vim
@@ -0,0 +1 @@
+au BufNewFile,BufRead *.sil set ft=sil