diff --git a/ftdetect/nim.vim b/ftdetect/nim.vim
index 89e1e28..152f6f5 100644
--- a/ftdetect/nim.vim
+++ b/ftdetect/nim.vim
@@ -1,2 +1,2 @@
-au BufNewFile,BufRead *.nim,*.nims set filetype=nim
+au BufNewFile,BufRead *.nim,*.nims,*.nimble set filetype=nim