diff --git a/tests/ui/parser/bastion-of-the-turbofish.rs b/tests/ui/parser/bastion-of-the-turbofish.rs
index e12857008a5e0..7ceea676d3a37 100644
--- a/tests/ui/parser/bastion-of-the-turbofish.rs
+++ b/tests/ui/parser/bastion-of-the-turbofish.rs
@@ -34,7 +34,7 @@
 
 // See https://github.com/rust-lang/rust/pull/53562
 // and https://github.com/rust-lang/rfcs/pull/2527
-// and https://twitter.com/garblefart/status/1393236602856611843
+// and https://web.archive.org/web/20211010063452/https://twitter.com/garblefart/status/1393236602856611843
 // for context.
 
 fn main() {