1 files changed, 2 insertions, 2 deletions
diff --git a/lib/ipv6.h b/lib/ipv6.h
index b8d2e9f5..35d8e29d 100644
--- a/lib/ipv6.h
+++ b/lib/ipv6.h
@@ -6,8 +6,8 @@
  *	Can be freely distributed and used under the terms of the GNU GPL.
  */
 
-#ifndef _BIRD_IPV4_H_
-#define _BIRD_IPV4_H_
+#ifndef _BIRD_IPV6_H_
+#define _BIRD_IPV6_H_
 
 #include <netinet/in.h>
 #include <string.h>