diff --git a/libguile/ChangeLog b/libguile/ChangeLog
index 21ce7a27a..486d79d9c 100644
--- a/libguile/ChangeLog
+++ b/libguile/ChangeLog
@@ -1,3 +1,8 @@
+2003-04-16  Rob Browning  <rlb@defaultvalue.org>
+
+	* gc_os_dep.c (mach_type_known): added patch for UnixWare and
+	OpenUNIX support.  Thanks to Boyd Gerber.
+
 2003-04-15  Mikael Djurfeldt  <djurfeldt@nada.kth.se>
 
 	* goops.c (scm_sys_fast_slot_ref): Use SCM_SLOT instead of