Index: uspace/lib/c/include/refcount.h
===================================================================
--- uspace/lib/c/include/refcount.h	(revision 09ab0a9afc9379f1604c0fd75cac2d9287ba022c)
+++ uspace/lib/c/include/refcount.h	(revision 046b66e808c359758d9021ead91cfb8804d60dfb)
@@ -37,6 +37,6 @@
  */
 
-#ifndef LIBC_REFCOUNT_H_
-#define LIBC_REFCOUNT_H_
+#ifndef _LIBC_REFCOUNT_H_
+#define _LIBC_REFCOUNT_H_
 
 #include <assert.h>