diff --git a/format.py b/format.py
index 4f3ca02..1bb9ace 100644
--- a/format.py
+++ b/format.py
@@ -63,7 +63,7 @@ def is_enabled(self):
         return is_rust(self.view)
 
     def run(self, edit):
-        args = ['--write-mode=overwrite', self.view.file_name()]
+        args = ['--emit=files', self.view.file_name()]
         output, error = rustfmt(args)
         if error:
             print_error(error)