Index: uspace/lib/c/include/inet/addr.h
===================================================================
--- uspace/lib/c/include/inet/addr.h	(revision a35b458e9db1ca95e679799dc7c1b12c83359ca3)
+++ uspace/lib/c/include/inet/addr.h	(revision 04c0fc5aa45ec90f84d2ef0b8b067f698c6f5f0e)
@@ -33,6 +33,6 @@
  */
 
-#ifndef LIBC_INET_ADDR_H_
-#define LIBC_INET_ADDR_H_
+#ifndef _LIBC_INET_ADDR_H_
+#define _LIBC_INET_ADDR_H_
 
 #include <errno.h>