diff --git a/Chaos/Cipher/Arc4/Arc4Crypt.hpp b/Chaos/Cipher/Arc4/Arc4Crypt.hpp
index 6d0a637..9dfbbe7 100644
--- a/Chaos/Cipher/Arc4/Arc4Crypt.hpp
+++ b/Chaos/Cipher/Arc4/Arc4Crypt.hpp
@@ -1,5 +1,5 @@
-#ifndef CHAOS_CIPHER_ARC4CRYPT_HPP
-#define CHAOS_CIPHER_ARC4CRYPT_HPP
+#ifndef CHAOS_CIPHER_ARC4_ARC4CRYPT_HPP
+#define CHAOS_CIPHER_ARC4_ARC4CRYPT_HPP
 
 #include "Arc4Gen.hpp"
 #include "Service/SeArray.hpp"
diff --git a/Chaos/Cipher/Arc4/Arc4Gen.hpp b/Chaos/Cipher/Arc4/Arc4Gen.hpp
index ac42280..c2e02e3 100644
--- a/Chaos/Cipher/Arc4/Arc4Gen.hpp
+++ b/Chaos/Cipher/Arc4/Arc4Gen.hpp
@@ -1,5 +1,5 @@
-#ifndef CHAOS_CIPHER_ARC4GEN_HPP
-#define CHAOS_CIPHER_ARC4GEN_HPP
+#ifndef CHAOS_CIPHER_ARC4_ARC4GEN_HPP
+#define CHAOS_CIPHER_ARC4_ARC4GEN_HPP
 
 #include <array>
 #include <cstdint>
diff --git a/Chaos/Hash/Md4.hpp b/Chaos/Hash/Md4.hpp
index 6e29b82..850f4c7 100644
--- a/Chaos/Hash/Md4.hpp
+++ b/Chaos/Hash/Md4.hpp
@@ -1,5 +1,5 @@
-#ifndef CHAOS_HASH_MD4HASHER_HPP
-#define CHAOS_HASH_MD4HASHER_HPP
+#ifndef CHAOS_HASH_MD4_HPP
+#define CHAOS_HASH_MD4_HPP
 
 #include <cstdint>
 #include <array>
diff --git a/Chaos/Hash/Md5.hpp b/Chaos/Hash/Md5.hpp
index 3f74c66..2d6661c 100644
--- a/Chaos/Hash/Md5.hpp
+++ b/Chaos/Hash/Md5.hpp
@@ -1,5 +1,5 @@
-#ifndef CHAOS_HASH_MD5HASHER_HPP
-#define CHAOS_HASH_MD5HASHER_HPP
+#ifndef CHAOS_HASH_MD5_HPP
+#define CHAOS_HASH_MD5_HPP
 
 #include <cstdint>
 #include <array>