Index: uspace/lib/c/include/ipc/vbd.h
===================================================================
--- uspace/lib/c/include/ipc/vbd.h	(revision 372df8f916002c4dcfde6b3bfe02589b3c2f10da)
+++ uspace/lib/c/include/ipc/vbd.h	(revision 8add15e0d742e2ce9688f92ee8e6378e2caa7b04)
@@ -31,6 +31,6 @@
  */
 
-#ifndef LIBC_IPC_VBD_H_
-#define LIBC_IPC_VBD_H_
+#ifndef _LIBC_IPC_VBD_H_
+#define _LIBC_IPC_VBD_H_
 
 #include <ipc/common.h>