diff --git a/src/lib.rs b/src/lib.rs
index f5bec3dd..84b4ba5c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3388,6 +3388,7 @@ fn test_error_tag_wrapper() {
     }
     impl std::error::Error for MyError {}
     let e = MyError("everything is on fire");
+    #[allow(clippy::needless_borrow)] // The "needless" borrow is part of the point
     assert_eq!((&&ErrorTagWrapper(e)).slog_error_kind(), ErrorValueTag);
     let e = &e;
     assert_eq!((&&ErrorTagWrapper(e)).slog_error_kind(), ErrorRefTag);