Index: uspace/lib/c/include/stacktrace.h
===================================================================
--- uspace/lib/c/include/stacktrace.h	(revision 8751cf3e7ba3d98f4a12483149400b8dfe1040b6)
+++ uspace/lib/c/include/stacktrace.h	(revision 046b66e808c359758d9021ead91cfb8804d60dfb)
@@ -34,6 +34,6 @@
  */
 
-#ifndef LIBC_STACKTRACE_H_
-#define LIBC_STACKTRACE_H_
+#ifndef _LIBC_STACKTRACE_H_
+#define _LIBC_STACKTRACE_H_
 
 #include <errno.h>