Index: uspace/lib/display/include/ipc/display.h
===================================================================
--- uspace/lib/display/include/ipc/display.h	(revision db3895d936f17c9389f3e8e2689bf28645fc3697)
+++ uspace/lib/display/include/ipc/display.h	(revision ce0a5afc22f9b1442f778c5cae3e4bbfb65c0973)
@@ -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>