diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 757f9ba37..d4011bdad 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,9 @@
+2010-11-22  Corinna Vinschen  <corinna@vinschen.de>
+
+	* net.cc (get_ipv4fromreg_ipcnt): Fix debug output.  Only create debug
+	output if error is not ERROR_FILE_NOT_FOUND.
+	(get_ipv4fromreg): Ditto.
+
 2010-11-18  Corinna Vinschen  <corinna@vinschen.de>
 
 	* fhandler_tty.cc (fhandler_tty_slave::fchown): Initialize mode to 0.
diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc
index cefef6741..50118fed1 100644
--- a/winsup/cygwin/net.cc
+++ b/winsup/cygwin/net.cc
@@ -1720,7 +1720,8 @@ get_ipv4fromreg_ipcnt (const char *name)
   if ((ret = RegOpenKeyEx (HKEY_LOCAL_MACHINE, regkey, 0, KEY_READ,
 			   &key)) != ERROR_SUCCESS)
     {
-      debug_printf ("RegOpenKeyEx(%s), win32 error %ld", ret);
+      if (ret != ERROR_FILE_NOT_FOUND)
+	debug_printf ("RegOpenKeyEx(%s), win32 error %ld", regkey, ret);
       return 0;
     }
   /* If DHCP is used, we have only one address. */
@@ -1754,7 +1755,8 @@ get_ipv4fromreg (struct ifall *ifp, const char *name, DWORD idx)
   if ((ret = RegOpenKeyEx (HKEY_LOCAL_MACHINE, regkey, 0, KEY_READ, &key))
       != ERROR_SUCCESS)
     {
-      debug_printf ("RegOpenKeyEx(%s), win32 error %ld", ret);
+      if (ret != ERROR_FILE_NOT_FOUND)
+	debug_printf ("RegOpenKeyEx(%s), win32 error %ld", regkey, ret);
       return;
     }
   /* If DHCP is used, we have only one address. */