diff --git a/rustfmt.toml b/rustfmt.toml
new file mode 100644
index 0000000..0c2ca5c
--- /dev/null
+++ b/rustfmt.toml
@@ -0,0 +1,2 @@
+edition = "2018"
+max_width = 80
diff --git a/src/main.rs b/src/main.rs
index c3cfdba..1cfb165 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -924,7 +924,7 @@ fn gen(api: &OpenAPI, ts: &mut TypeSpace) -> Result<String> {
                             a(&format!(
                                 "    ) -> Result<{}> {{",
                                 ts.render_type(&tid)?
-                                ));
+                            ));
                         } else {
                             bail!("media type encoding, no schema: {:#?}", mt);
                         }