diff --git a/man3/aio_suspend.3 b/man3/aio_suspend.3
index 3c8f71308..788538801 100644
--- a/man3/aio_suspend.3
+++ b/man3/aio_suspend.3
@@ -138,6 +138,12 @@ to scan the list of
 .I aiocb
 structures pointed to by
 .IR aiocb_list .
+.SH BUGS
+The glibc implementation of
+.BR aio_suspend ()
+is not async-signal-safe,
+.\" FIXME . https://sourceware.org/bugzilla/show_bug.cgi?id=13172
+in violation of the requirements of POSSIX.1.
 .SH SEE ALSO
 .BR aio_cancel (3),
 .BR aio_error (3),