Index: uspace/lib/c/include/ipc/dnsr.h
===================================================================
--- uspace/lib/c/include/ipc/dnsr.h	(revision 31e9fe0439e18929e4471ead9784560a4706b8a1)
+++ uspace/lib/c/include/ipc/dnsr.h	(revision 04c0fc5aa45ec90f84d2ef0b8b067f698c6f5f0e)
@@ -31,6 +31,6 @@
  */
 
-#ifndef LIBC_IPC_DNSR_H_
-#define LIBC_IPC_DNSR_H_
+#ifndef _LIBC_IPC_DNSR_H_
+#define _LIBC_IPC_DNSR_H_
 
 #include <ipc/common.h>