Index: uspace/lib/c/include/ipc/ipc_test.h
===================================================================
--- uspace/lib/c/include/ipc/ipc_test.h	(revision 3b3fcf369f7972634c32240f6c2c7e342deadefe)
+++ uspace/lib/c/include/ipc/ipc_test.h	(revision 0076b9d08217ab74cb57f3a302bc6cd3d6bf1879)
@@ -33,6 +33,6 @@
  */
 
-#ifndef LIBC_IPC_IPC_TEST_H_
-#define LIBC_IPC_IPC_TEST_H_
+#ifndef _LIBC_IPC_IPC_TEST_H_
+#define _LIBC_IPC_IPC_TEST_H_
 
 #include <ipc/common.h>