diff --git a/ChangeLog b/ChangeLog
index 42264e045..bca5d5fa0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-12-30  Barton E. Schaefer  <schaefer@zsh.org>
+
+	* unposted (cf. Carlo: 32202):  MACHINES: OS X 10.9.1. gcc problem
+
 2013-12-28  Barton E. Schaefer  <schaefer@zsh.org>
 
 	* 32190 (cf. Alexey Bezhan: 32189): Completion/Zsh/Command/_cd:
diff --git a/MACHINES b/MACHINES
index ffd68d79c..ddbf69ac6 100644
--- a/MACHINES
+++ b/MACHINES
@@ -35,6 +35,9 @@ Apple: MacOS X/Darwin 10.x
 
 	Reported to compile with no problems on 10.4.
 
+	Compiling with GCC on 10.9.1 (Mavericks) reportedly causes a crash
+	due to a libiconv problem.  Compile with clang instead.
+
 	Multibyte support works; you probably wish to set the
 	option COMBINING_CHARS, which is not enabled by default.
 	Problems have been noted when outputting multibyte characters