diff --git a/src/lib.rs b/src/lib.rs
index 26f10cd..fddfd23 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -112,7 +112,7 @@ fn events_per_author(events: Vec<RawEvent>) -> HashMap<String, Vec<RawEvent>> {
         .fold(HashMap::new(), |mut acc, event: RawEvent| {
             (*acc
                 .entry(event.actor.login.clone())
-                .or_insert_with(Vec::new))
+                .or_default())
             .push(event);
             acc
         })