diff --git a/crates/matrix-sdk-ui/src/timeline/builder.rs b/crates/matrix-sdk-ui/src/timeline/builder.rs
index 8a6dd8a27..2105474a4 100644
--- a/crates/matrix-sdk-ui/src/timeline/builder.rs
+++ b/crates/matrix-sdk-ui/src/timeline/builder.rs
@@ -172,8 +172,11 @@ impl TimelineBuilder {
                     let update = match event_subscriber.recv().await {
                         Ok(up) => up,
                         Err(broadcast::error::RecvError::Closed) => break,
-                        Err(broadcast::error::RecvError::Lagged(_)) => {
-                            warn!("Lagged behind sync responses, resetting timeline");
+                        Err(broadcast::error::RecvError::Lagged(num_skipped)) => {
+                            warn!(
+                                num_skipped,
+                                "Lagged behind event cache updates, resetting timeline"
+                            );
                             inner.clear().await;
                             continue;
                         }
diff --git a/crates/matrix-sdk/src/event_cache/mod.rs b/crates/matrix-sdk/src/event_cache/mod.rs
index 8b0f93cb7..d5a333afd 100644
--- a/crates/matrix-sdk/src/event_cache/mod.rs
+++ b/crates/matrix-sdk/src/event_cache/mod.rs
@@ -203,11 +203,11 @@ impl EventCache {
                     }
                 }
 
-                Err(RecvError::Lagged(_)) => {
+                Err(RecvError::Lagged(num_skipped)) => {
                     // Forget everything we know; we could have missed events, and we have
                     // no way to reconcile at the moment!
                     // TODO: implement Smart Matching™,
-                    warn!("Lagged behind room updates, clearing all rooms");
+                    warn!(num_skipped, "Lagged behind room updates, clearing all rooms");
 
                     // Note: one must NOT clear the `by_room` map, because if something subscribed
                     // to a room update, they would never get any new update for that room, since
@@ -460,7 +460,7 @@ impl RoomEventCacheInner {
     /// Creates a new cache for a room, and subscribes to room updates, so as
     /// to handle new timeline events.
     fn new(room: Room) -> Self {
-        let sender = Sender::new(32);
+        let sender = Sender::new(128);
 
         Self {
             room,