diff --git a/ftdetect/slim.vim b/ftdetect/slim.vim
index b3415ce..4f0f524 100644
--- a/ftdetect/slim.vim
+++ b/ftdetect/slim.vim
@@ -1 +1 @@
-autocmd BufNewFile,BufRead *.slim setf slim
+autocmd BufNewFile,BufRead *.slim set syntax=slim|set ft=slim