diff --git a/ftplugin/ruby/keys.vim b/ftplugin/ruby/keys.vim
new file mode 100644
index 0000000..9f96604
--- /dev/null
+++ b/ftplugin/ruby/keys.vim
@@ -0,0 +1 @@
+map <F9> :w<CR>:!ruby -c %<CR>