diff --git a/src/util/HugeAllocator.cxx b/src/util/HugeAllocator.cxx
index 99afe23f7..df6f106b1 100644
--- a/src/util/HugeAllocator.cxx
+++ b/src/util/HugeAllocator.cxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2017 Max Kellermann <max.kellermann@gmail.com>
+ * Copyright 2013-2019 Max Kellermann <max.kellermann@gmail.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
diff --git a/src/util/HugeAllocator.hxx b/src/util/HugeAllocator.hxx
index f7891316f..6ae68f78e 100644
--- a/src/util/HugeAllocator.hxx
+++ b/src/util/HugeAllocator.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2017 Max Kellermann <max.kellermann@gmail.com>
+ * Copyright 2013-2019 Max Kellermann <max.kellermann@gmail.com>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -164,7 +164,8 @@ public:
 	}
 
 	HugeArray &operator=(HugeArray &&other) noexcept {
-		std::swap(buffer, other.buffer);
+		using std::swap;
+		swap(buffer, other.buffer);
 		return *this;
 	}