Index: uspace/lib/c/include/io/pixel.h
===================================================================
--- uspace/lib/c/include/io/pixel.h	(revision 587478b2be4192b088f4a64c8fde7adeec10d4eb)
+++ uspace/lib/c/include/io/pixel.h	(revision 04c0fc5aa45ec90f84d2ef0b8b067f698c6f5f0e)
@@ -34,6 +34,6 @@
  */
 
-#ifndef LIBC_IO_PIXEL_H_
-#define LIBC_IO_PIXEL_H_
+#ifndef _LIBC_IO_PIXEL_H_
+#define _LIBC_IO_PIXEL_H_
 
 #include <stdint.h>