Index: uspace/lib/c/include/ipc/bd.h
===================================================================
--- uspace/lib/c/include/ipc/bd.h	(revision dd8b6a87925c4db039bcd5d96da488ee67d92e29)
+++ uspace/lib/c/include/ipc/bd.h	(revision 04c0fc5aa45ec90f84d2ef0b8b067f698c6f5f0e)
@@ -33,6 +33,6 @@
  */
 
-#ifndef LIBC_IPC_BD_H_
-#define LIBC_IPC_BD_H_
+#ifndef _LIBC_IPC_BD_H_
+#define _LIBC_IPC_BD_H_
 
 #include <ipc/common.h>