diff --git a/after/ftplugin/rust.vim b/after/ftplugin/rust.vim
new file mode 100644
index 0000000..e95015a
--- /dev/null
+++ b/after/ftplugin/rust.vim
@@ -0,0 +1,12 @@
+"" Settings for Rust
+
+"" Fix a Rust file: auto-format with ``rustfmt``
+function! AutofixRust()
+    echom "Correcting Rust file"
+    if executable("rustfmt")
+        execute ":silent %!rustfmt"
+    endif
+    :w
+endfunction
+
+map <F3> :call AutofixRust()<CR>