Index: uspace/lib/c/include/io/log.h
===================================================================
--- uspace/lib/c/include/io/log.h	(revision 09d13c8e567316acfec91989df4a5d961f8fb644)
+++ uspace/lib/c/include/io/log.h	(revision bc73be3215c832cdb0c8a5022db800902f9f62dc)
@@ -32,6 +32,6 @@
  */
 
-#ifndef LIBC_IO_LOG_H_
-#define LIBC_IO_LOG_H_
+#ifndef _LIBC_IO_LOG_H_
+#define _LIBC_IO_LOG_H_
 
 #include <stdarg.h>