diff --git a/src/lib.rs b/src/lib.rs
index 14872cfc610..e77eacb5c34 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -100,8 +100,7 @@ pub enum ErrorKind {
     #[fail(
         display = "line formatted, but exceeded maximum width \
                    (maximum: {} (see `max_width` option), found: {})",
-        _0,
-        _1
+        _0, _1
     )]
     LineOverflow(usize, usize),
     /// Line ends in whitespace.
diff --git a/tests/target/enum.rs b/tests/target/enum.rs
index 5da186cc201..57809b143f5 100644
--- a/tests/target/enum.rs
+++ b/tests/target/enum.rs
@@ -256,9 +256,7 @@ pub enum QlError {
     // (kind, input, expected)
     #[fail(
         display = "Could not find {}: Found: {}, expected: {:?}",
-        0,
-        1,
-        2
+        0, 1, 2
     )]
     ResolveError(&'static str, String, Option<String>),
 }