diff --git a/src/main.rs b/src/main.rs
index c2eedf3..d52f0b4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -100,7 +100,7 @@ mod handlers {
 
         let temperature = locations[location];
 
-        let label = Label::with_value(format!("{}", temperature));
+        let label = Label::with_value(format!("{}", temperature)).set_postfix("foobar");
 
         Ok(warp::reply::json(&label))
     }