diff --git a/library/core/tests/future.rs b/library/core/tests/future.rs
index e8b83b5cbc21e..0ed8c52c21224 100644
--- a/library/core/tests/future.rs
+++ b/library/core/tests/future.rs
@@ -30,6 +30,7 @@ fn poll_n(val: usize, num: usize) -> PollN {
 }
 
 #[test]
+#[cfg_attr(miri, ignore)] // self-referential generators do not work with Miri's aliasing checks
 fn test_join() {
     block_on(async move {
         let x = join!(async { 0 }).await;