diff --git a/tests/benchmark.rs b/tests/benchmark.rs
index c28901f..1eca931 100644
--- a/tests/benchmark.rs
+++ b/tests/benchmark.rs
@@ -136,7 +136,12 @@ fn benchmark(total: usize) -> HashMap<&'static str, Duration> {
     {
         let m = flurry::HashMap::<u32, i64>::new();
         let p = m.pin();
-        insert!("flurry::HashMap", ret, p, total);
+        insert!(
+        "flurry::HashMap",
+        ret,
+        p,
+        total
+    );
     }
     insert!(
         "micromap::Map",