diff --git a/l3kernel/l3skip.dtx b/l3kernel/l3skip.dtx
index cc699b30c2..cf650308b4 100644
--- a/l3kernel/l3skip.dtx
+++ b/l3kernel/l3skip.dtx
@@ -1340,6 +1340,7 @@
 %    \end{macrocode}
 % \end{macro}
 % \end{macro}
+% \end{macro}
 %
 % \subsection{Dimension expression conditionals}
 %