Index: uspace/lib/ddev/include/ipc/ddev.h
===================================================================
--- uspace/lib/ddev/include/ipc/ddev.h	(revision b252e878bcde3d889907ddd89352eb92e233aa16)
+++ uspace/lib/ddev/include/ipc/ddev.h	(revision 320abf3a1dddb6b83c9babceabd43b723cf0bb26)
@@ -33,6 +33,6 @@
  */
 
-#ifndef _LIBC_IPC_DDEV_H_
-#define _LIBC_IPC_DDEV_H_
+#ifndef LIBDDEV_IPC_DDEV_H
+#define LIBDDEV_IPC_DDEV_H
 
 #include <ipc/common.h>