diff --git a/tests/ui/single_match.rs b/tests/ui/single_match.rs
index 6766a6409b2..1c55af5dfb6 100644
--- a/tests/ui/single_match.rs
+++ b/tests/ui/single_match.rs
@@ -90,4 +90,6 @@ macro_rules! single_match {
     };
 }
 
-fn main() {single_match!(5);}
+fn main() {
+    single_match!(5);
+}