diff --git a/src/libs/utils/impl/ChildProcess.cpp b/src/libs/utils/impl/ChildProcess.cpp
index 96e33ce9..c4eba387 100644
--- a/src/libs/utils/impl/ChildProcess.cpp
+++ b/src/libs/utils/impl/ChildProcess.cpp
@@ -1,3 +1,22 @@
+/*
+ * Copyright (C) 2020 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include "ChildProcess.hpp"
 
 #include <cstring>
diff --git a/src/libs/utils/impl/ChildProcess.hpp b/src/libs/utils/impl/ChildProcess.hpp
index f051eae7..e3c74f9a 100644
--- a/src/libs/utils/impl/ChildProcess.hpp
+++ b/src/libs/utils/impl/ChildProcess.hpp
@@ -1,3 +1,26 @@
+/*
+ * Copyright (C) 2020 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <cstddef>
+#include <functional>
 #pragma once
 
 #include <sys/types.h>
diff --git a/src/libs/utils/impl/ChildProcessManager.cpp b/src/libs/utils/impl/ChildProcessManager.cpp
index bad7ebfa..128fcd9f 100644
--- a/src/libs/utils/impl/ChildProcessManager.cpp
+++ b/src/libs/utils/impl/ChildProcessManager.cpp
@@ -1,3 +1,21 @@
+/*
+ * Copyright (C) 2020 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #include "ChildProcessManager.hpp"
 
diff --git a/src/libs/utils/impl/ChildProcessManager.hpp b/src/libs/utils/impl/ChildProcessManager.hpp
index 590a9079..eb8f0353 100644
--- a/src/libs/utils/impl/ChildProcessManager.hpp
+++ b/src/libs/utils/impl/ChildProcessManager.hpp
@@ -1,3 +1,22 @@
+/*
+ * Copyright (C) 2020 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #pragma once
 
 #include <memory>
diff --git a/src/libs/utils/impl/NetAddress.cpp b/src/libs/utils/impl/NetAddress.cpp
index cede3029..732565f8 100644
--- a/src/libs/utils/impl/NetAddress.cpp
+++ b/src/libs/utils/impl/NetAddress.cpp
@@ -22,23 +22,21 @@
 namespace std
 {
 	std::size_t hash<boost::asio::ip::address>::operator()(const boost::asio::ip::address& ipAddr) const
+	{
+		if (ipAddr.is_v4())
+			return ipAddr.to_v4().to_ulong();
+
+		if (ipAddr.is_v6())
 		{
-			if (ipAddr.is_v4())
-				return ipAddr.to_v4().to_ulong();
+			const auto& range {ipAddr.to_v6().to_bytes()};
+			std::size_t res {};
 
-			if (ipAddr.is_v6())
-			{
-				const auto& range {ipAddr.to_v6().to_bytes()};
-				std::size_t res {};
+			for (auto b : range)
+				res ^= std::hash<char>{}(static_cast<char>(b));
 
-				for (auto b : range)
-					res ^= std::hash<char>{}(static_cast<char>(b));
-
-				return res;
-			}
-
-			return std::hash<std::string>{}(ipAddr.to_string());
+			return res;
 		}
 
+		return std::hash<std::string>{}(ipAddr.to_string());
+	}
 }
-