diff --git a/tests/ui/map_clone.rs b/tests/ui/map_clone.rs
index e5560b34bb08..7dd2ce302023 100644
--- a/tests/ui/map_clone.rs
+++ b/tests/ui/map_clone.rs
@@ -18,6 +18,6 @@ fn main() {
     let _ = v.iter().map(|_x| a.clone());
     let _ = v.iter().map(|&_x| a);
 
-    // Issue #496
+    // Issue #498
     let _ = std::env::args().map(|v| v.clone());
 }