diff --git a/.config/vim/ftdetect/asl.vim b/.config/vim/ftdetect/asl.vim
index 11c120c..f602a8f 100644
--- a/.config/vim/ftdetect/asl.vim
+++ b/.config/vim/ftdetect/asl.vim
@@ -1 +1 @@
-autocmd BufNewFile,BufRead *.asl set filetype=c.asl
+autocmd BufNewFile,BufRead *.asl,*.ASL set filetype=c.asl