diff --git a/quic/s2n-quic-core/src/event/generated.rs b/quic/s2n-quic-core/src/event/generated.rs
index 16eab2936..6c3ebd825 100644
--- a/quic/s2n-quic-core/src/event/generated.rs
+++ b/quic/s2n-quic-core/src/event/generated.rs
@@ -1290,7 +1290,7 @@ pub mod api {
         }
     }
     macro_rules! impl_conn_id {
-        ($ name : ident) => {
+        ($name:ident) => {
             impl<'a> IntoEvent<builder::ConnectionId<'a>> for &'a crate::connection::id::$name {
                 #[inline]
                 fn into_event(self) -> builder::ConnectionId<'a> {