diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index ba99bbf18..638e5fb77 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2004-04-10  Corinna Vinschen  <corinna@vinschen.de>
+
+	* syscalls.cc (sync): Define void according to SUSv3.
+
 2004-04-10  Corinna Vinschen  <corinna@vinschen.de>
 
 	* sec_acl.cc (setacl): Use correct offset when trying to combine
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index bac1ccb72..11c47fd02 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -1123,11 +1123,10 @@ fsync (int fd)
   return 0;
 }
 
-/* sync: standards? */
-extern "C" int
+/* sync: SUSv3 */
+extern "C" void
 sync ()
 {
-  return 0;
 }
 
 suffix_info stat_suffixes[] =