Index: uspace/lib/display/include/ipc/display.h
===================================================================
--- uspace/lib/display/include/ipc/display.h	(revision c9927c664d54127a7f3eb509f6129ebca2f158f1)
+++ uspace/lib/display/include/ipc/display.h	(revision 320abf3a1dddb6b83c9babceabd43b723cf0bb26)
@@ -33,6 +33,6 @@
  */
 
-#ifndef _LIBC_IPC_DISPLAY_H_
-#define _LIBC_IPC_DISPLAY_H_
+#ifndef LIBDISPLAY_IPC_DISPLAY_H
+#define LIBDISPLAY_IPC_DISPLAY_H
 
 #include <ipc/common.h>