diff --git a/Misc/NEWS b/Misc/NEWS
index e93a80e..d7f1e75 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,8 @@
 Core and builtins
 -----------------
 
+- Bug #1557232: fix seg fault with def f((((x)))) and def f(((x),)).
+
 - Fix %zd string formatting on Mac OS X so it prints negative numbers.
 
 - Allow exception instances to be directly sliced again.