diff --git a/examples/toy-chat/src/protocol.rs b/examples/toy-chat/src/protocol.rs
index 17dc3d8..f09e82d 100644
--- a/examples/toy-chat/src/protocol.rs
+++ b/examples/toy-chat/src/protocol.rs
@@ -37,6 +37,6 @@ impl Chat2Message {
     }
 
     pub fn timestamp(&self) -> DateTime<Utc> {
-        Utc.timestamp_opt(self.timestamp as i64, 0).unwrap()
+        Utc.timestamp_opt(self.timestamp as i64, 0).expect("Timestamps should not come out of bounds")
     }
 }