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diff --git a/src/utils/compat/chrono_literals.hpp b/src/utils/compat/chrono_literals.hpp
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+/*
+ * UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef CHRONO_LITERALS_HPP
+#define CHRONO_LITERALS_HPP
+
+#include <chrono>
+
+namespace usdx
+{
+	constexpr std::chrono::milliseconds
+	operator "" _ms (unsigned long long arg)
+	{
+		return std::chrono::milliseconds {arg};
+	}
+
+	constexpr std::chrono::duration<long double, std::milli>
+	operator "" _ms (long double arg)
+	{
+		return std::chrono::duration<long double, std::milli>(arg);
+	}
+
+	constexpr std::chrono::seconds
+	operator "" _s (unsigned long long arg)
+	{
+		return std::chrono::seconds {arg};
+	}
+
+	constexpr std::chrono::duration<long double>
+	operator "" _s (long double arg)
+	{
+		return std::chrono::duration<long double>(arg);
+	}
+
+	constexpr std::chrono::minutes
+	operator "" _min (unsigned long long arg)
+	{
+		return std::chrono::minutes {arg};
+	}
+
+	constexpr std::chrono::duration<long double, std::ratio<60,1>>
+	operator "" _min (long double arg)
+	{
+		return std::chrono::duration<long double, std::ratio<60,1>>(arg);
+	}
+
+	constexpr std::chrono::hours
+	operator "" _h (unsigned long long arg)
+	{
+		return std::chrono::hours {arg};
+	}
+
+	constexpr std::chrono::duration<long double, std::ratio<3600,1>>
+	operator "" _h (long double arg)
+	{
+		return std::chrono::duration<long double, std::ratio<3600,1>>(arg);
+	}
+}
+
+#endif