diff --git a/ChangeLog b/ChangeLog
index de0835431..c38fd0ec9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,7 @@
          for tunnel forwarding for FreeBSD and NetBSD. NetBSD's support is
          limited to IPv4 tunnels only, and most versions don't support the
          tap(4) device at all.
+ - (djm) [configure.ac] Fix linux/if_tun.h test
 
 20051229
  - (djm) OpenBSD CVS Sync
@@ -3585,4 +3586,4 @@
    - (djm) Trim deprecated options from INSTALL. Mention UsePAM
    - (djm) Fix quote handling in sftp; Patch from admorten AT umich.edu
 
-$Id: ChangeLog,v 1.4060 2006/01/01 08:47:05 djm Exp $
+$Id: ChangeLog,v 1.4061 2006/01/01 10:03:30 djm Exp $
diff --git a/configure.ac b/configure.ac
index 2f5906667..a9654cbde 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.320 2006/01/01 08:47:05 djm Exp $
+# $Id: configure.ac,v 1.321 2006/01/01 10:03:30 djm Exp $
 #
 # Copyright (c) 1999-2004 Damien Miller
 #
@@ -328,7 +328,7 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
 	esac
 	# tun(4) forwarding compat code
 	AC_CHECK_HEADERS(linux/if_tun.h)
-	if test "x$ac_cv_header_linux_tun_h" = "xyes" ; then
+	if test "x$ac_cv_header_linux_if_tun_h" = "xyes" ; then
 		AC_DEFINE(SSH_TUN_LINUX, 1,
 		    [Open tunnel devices the Linux tun/tap way])
 		AC_DEFINE(SSH_TUN_COMPAT_AF, 1,