diff --git a/.rustfmt.toml b/.rustfmt.toml
index faa3d5a33a..1778bd9e27 100644
--- a/.rustfmt.toml
+++ b/.rustfmt.toml
@@ -1,3 +1,4 @@
 # Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
 max_width = 80
 tab_spaces = 2
+format_macro_bodies = true