diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 8d2b7af42..ee62ec99e 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+Thu Nov 29 18:11:00 2000  Corinna Vinschen <corinna@vinschen.de>
+
+	* net.cc (cygwin_inet_aton): Return nonzero if the address
+	is valid, zero if not according to Linux man page.
+
 Mon Nov 27 21:09:50 2000  Kelley Cook <kelley.cook@home.com>
 
 	* mmap.cc (munmap): Check that mmap and munmap length match.
diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc
index cf5a98dec..1832eb1fc 100644
--- a/winsup/cygwin/net.cc
+++ b/winsup/cygwin/net.cc
@@ -130,10 +130,10 @@ cygwin_inet_aton (const char *cp, struct in_addr *inp)
 {
   unsigned long res = inet_addr (cp);
   if (res == INADDR_NONE && strcmp (cp, "255.255.255.255"))
-    return -1;
+    return 0;
   if (inp)
     inp->s_addr = res;
-  return 0;
+  return 1;
 }
 
 /* undocumented in wsock32.dll */