diff --git a/libnetutil/ICMPv6RRBody.h b/libnetutil/ICMPv6RRBody.h
index 99e88f5dc..a520159be 100644
--- a/libnetutil/ICMPv6RRBody.h
+++ b/libnetutil/ICMPv6RRBody.h
@@ -131,8 +131,8 @@
  ***************************************************************************/
 /* This code was originally part of the Nping tool.                        */
 
-#ifndef ICMPv6HEADER_H
-#define ICMPv6HEADER_H 1
+#ifndef ICMPv6RRBODY_H
+#define ICMPv6RRBODY_H 1
 
 #include "NetworkLayerElement.h"