Index: uspace/lib/c/include/context.h
===================================================================
--- uspace/lib/c/include/context.h	(revision a5c78a18893be91b59c28590353ad8d90673105a)
+++ uspace/lib/c/include/context.h	(revision bc73be3215c832cdb0c8a5022db800902f9f62dc)
@@ -27,6 +27,6 @@
  */
 
-#ifndef LIBC_CONTEXT_H_
-#define LIBC_CONTEXT_H_
+#ifndef _LIBC_CONTEXT_H_
+#define _LIBC_CONTEXT_H_
 
 #include <_bits/size_t.h>