diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index e715d6a02..d5fb16ba6 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2009-12-16  Corinna Vinschen  <corinna@vinschen.de>
+
+	* registry.cc (cygnus_class): Remove.
+	(reg_key::build_reg): Don't set class when creating key.
+
 2009-12-15  Corinna Vinschen  <corinna@vinschen.de>
 
 	* net.cc (cygwin_setsockopt): Only skip calling setsockopt(SO_REUSEADDR)
diff --git a/winsup/cygwin/registry.cc b/winsup/cygwin/registry.cc
index 1fdf20a79..523218828 100644
--- a/winsup/cygwin/registry.cc
+++ b/winsup/cygwin/registry.cc
@@ -18,7 +18,6 @@ details. */
 #include "cygheap.h"
 #include "tls_pbuf.h"
 #include <wchar.h>
-static const char cygnus_class[] = "cygnus";
 
 reg_key::reg_key (HKEY top, REGSAM access, ...): _disposition (0)
 {
@@ -84,7 +83,7 @@ reg_key::build_reg (HKEY top, REGSAM access, va_list av)
       int res = RegCreateKeyExA (r,
 				 name,
 				 0,
-				 (char *) cygnus_class,
+				 NULL,
 				 REG_OPTION_NON_VOLATILE,
 				 access,
 				 &sec_none_nih,