diff --git a/src/test/ui/lint/issue-71290-unused-paren-binop.rs b/src/test/ui/lint/issue-71290-unused-paren-binop.rs
index 619be02566f..f11d2d37737 100644
--- a/src/test/ui/lint/issue-71290-unused-paren-binop.rs
+++ b/src/test/ui/lint/issue-71290-unused-paren-binop.rs
@@ -1,6 +1,7 @@
 // check-pass
 // Make sure unused parens lint doesn't emit a false positive.
 // See https://github.com/rust-lang/rust/issues/71290 for details.
+#![deny(unused_parens)]
 
 fn x() -> u8 {
     ({ 0 }) + 1