diff --git a/LICENSE b/LICENSE
index 13e3076f7401e44b215a7c124bd0b671cdab68dd..b11a017998690318e2d5ff6f979a80c250d1db95 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2017 Recolic Keghart
+Copyright (c) 2017-2018 Recolic Keghart <root@recolic.net>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/macro.hpp b/macro.hpp
index b896b0f9093a9983aa9e184fe1f5f002516ba912..c411790988f8195ac53af9832c7f09f895fc3e3b 100644
--- a/macro.hpp
+++ b/macro.hpp
@@ -1,29 +1,34 @@
 #ifndef R_MACRO_HPP
 #define R_MACRO_HPP
 
-#ifndef MACRO_DECAY
-#define MACRO_DECAY(m) (m)
+#ifdef RLIB_EMPTY_MACRO
+#undef RLIB_EMPTY_MACRO
 #endif
+#define RLIB_EMPTY_MACRO
 
-#ifndef _R_MACRO_ENSTRING
-#define _R_MACRO_ENSTRING(_s) #_s
+#ifndef RLIB_MACRO_DECAY
+#define RLIB_MACRO_DECAY(m) (m)
 #endif
 
-#ifndef MACRO_TO_CSTR
-#define MACRO_TO_CSTR(m) _R_MACRO_ENSTRING(m)
+#ifndef _RLIB_MACRO_ENSTRING
+#define _RLIB_MACRO_ENSTRING(_s) #_s
 #endif
 
-#ifndef MACRO_EQL
-#define MACRO_EQL(a, b) (MACRO_TO_CSTR(a) == MACRO_TO_CSTR(b))
+#ifndef RLIB_MACRO_TO_CSTR
+#define RLIB_MACRO_TO_CSTR(m) _RLIB_MACRO_ENSTRING(m)
 #endif
 
-#ifndef MACRO_CAT
-#define MACRO_CAT(a, b) _MACRO_CAT_I(a, b)
-#define _MACRO_CAT_I(a, b) _MACRO_CAT_II(~, a ## b)
-#define _MACRO_CAT_II(p, res) res
+//#ifndef RLIB_MACRO_EQL
+//#define RLIB_MACRO_EQL(a, b) (RLIB_MACRO_TO_CSTR(a) == RLIB_MACRO_TO_CSTR(b))
+//#endif
+
+#ifndef RLIB_MACRO_CAT
+#define RLIB_MACRO_CAT(a, b) _RLIB_MACRO_CAT_I(a, b)
+#define _RLIB_MACRO_CAT_I(a, b) _RLIB_MACRO_CAT_II(~, a ## b)
+#define _RLIB_MACRO_CAT_II(p, res) res
 #endif
-#ifndef MAKE_UNIQUE_NAME
-#define MAKE_UNIQUE_NAME(base) MACRO_CAT(base, __COUNTER__)
+#ifndef RLIB_MAKE_UNIQUE_NAME
+#define RLIB_MAKE_UNIQUE_NAME(base) RLIB_MACRO_CAT(base, __COUNTER__)
 #endif
 
 #endif
diff --git a/scope_guard.hpp b/scope_guard.hpp
index 49604f31ceb26adbca98218f8fe06d41b1ccbc90..c88020fdba8b60f815143b59ae19db123f039ed0 100644
--- a/scope_guard.hpp
+++ b/scope_guard.hpp
@@ -47,7 +47,7 @@ namespace rlib {
 
 #ifndef defer
 #include <rlib/macro.hpp>
-#define defer(callable) ::rlib::scope_guard MAKE_UNIQUE_NAME(_guarder_id_) (callable)
+#define defer(callable) ::rlib::scope_guard RLIB_MAKE_UNIQUE_NAME(_guarder_id_) (callable)
 #endif
 
 #define reinforce_scope_begin(guarderName, callable) scope_guard guarderName = callable; try{