diff --git a/man/copyright.inc.in b/man/copyright.inc.in
index 2e026707..628e4a9c 100644
--- a/man/copyright.inc.in
+++ b/man/copyright.inc.in
@@ -2,7 +2,7 @@
 
 This manpage is part of ~mu~ @VERSION@.
 
-Copyright © 2008-@YEAR@ Dirk-Jan C. Binnema. License GPLv3+: GNU GPL version 3
+Copyright © 2008-2023 Dirk-Jan C. Binnema. License GPLv3+: GNU GPL version 3
 or later <https://gnu.org/licenses/gpl.html>. This is free software: you are
 free to change and redistribute it. There is NO WARRANTY, to the extent
 permitted by law.