diff --git a/labs/jack-in/src/components/details.rs b/labs/jack-in/src/components/details.rs
index 35436e516..a7e160b2b 100644
--- a/labs/jack-in/src/components/details.rs
+++ b/labs/jack-in/src/components/details.rs
@@ -51,7 +51,7 @@ impl Details {
             return;
         };
 
-        let name = room_data.name().unwrap_or_else(|| "unknown").to_owned();
+        let name = room_data.name().unwrap_or("unknown").to_owned();
 
         let state_events = room_data
             .required_state()
diff --git a/labs/jack-in/src/components/rooms.rs b/labs/jack-in/src/components/rooms.rs
index 5a8eb6326..f6cd780cd 100644
--- a/labs/jack-in/src/components/rooms.rs
+++ b/labs/jack-in/src/components/rooms.rs
@@ -64,7 +64,7 @@ impl MockComponent for Rooms {
         let mut paras = vec![];
 
         for r in self.sstate.get_all_rooms() {
-            let mut cells = vec![Cell::from(r.name().unwrap_or_else(|| "unknown").to_owned())];
+            let mut cells = vec![Cell::from(r.name().unwrap_or("unknown").to_owned())];
             if let Some(c) = r.unread_notifications().notification_count {
                 let count: u32 = c.try_into().unwrap_or_default();
                 if count > 0 {