diff --git a/codex-XXX.tex b/codex-XXX.tex
index 6d3f5d0..7f479c4 100644
--- a/codex-XXX.tex
+++ b/codex-XXX.tex
@@ -33,7 +33,7 @@
 \input{include/titlepage}
 
 \section*{Impressum}
-All contents  \copyright2025 Kenneth John Odle
+All contents  \copyright\kpubyear{} Kenneth John Odle
 
 Although this is now in your hands, and it's also on the web, so if you really wanted to steal this, I've made it pretty darn easy. I can't imagine why anyone would want to, though. You don't need to however, because this is licenced under a CC BY-NA-SA 4.0 Creative Commons license. More information is at