diff --git a/ChangeLog b/ChangeLog
index e31d0c6..13f5457 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2003-12-03  Greg Troxel  <gdt@poblano.ir.bbn.com>
 
+	* configure.ac: Move tests for v6 header files to after the check
+	for v6 code version, and conditionalize on the right variable.
+	(Fixes problem where v6 header files are not included when v6 is
+	enabled implicitly.)
+	
+2003-12-03  Greg Troxel  <gdt@poblano.ir.bbn.com>
+
 	* configure.ac: Add --enable-exampledir to specify where example
 	config files should go, defaulting to sysconfdir.
 
diff --git a/configure.ac b/configure.ac
index ef24dc0..b3fd50e 100755
--- a/configure.ac
+++ b/configure.ac
@@ -209,11 +209,7 @@
 		 net/if_dl.h net/netopt.h inet/nd.h net/route.h \
 		 net/if.h net/if_var.h netinet/in_var.h])
 
-if test "x${enable_ipv6}" = "xyes"; then
-AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h netinet/icmp6.h \
-		 netinet6/in6_var.h netinet6/nd6.h])
-fi
-dnl if enable_ipv6
+dnl V6 headers are checked below, after we check for v6
 
 dnl check some types
 AC_C_CONST
@@ -637,6 +633,14 @@
   fi
 fi
 
+dnl ------------------
+dnl IPv6 header checks
+dnl ------------------
+if test "x${zebra_cv_ipv6}" = "xyes"; then
+AC_CHECK_HEADERS([netinet6/in6.h netinet/in6_var.h netinet/icmp6.h \
+		 netinet6/in6_var.h netinet6/nd6.h])
+fi
+
 dnl --------------------
 dnl Daemon disable check
 dnl --------------------