diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b90947..dc7547b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ this project uses date-based 'snapshot' version identifiers.
 ### Changed
 - Extend normalization of line numbers to include those wrapped by LaTeX in
   text `on line ...`
+- Suppress `l3msg` message wrapping
 
 ## [2024-01-18]
 
diff --git a/l3build.dtx b/l3build.dtx
index 14c4d1b..b072f8f 100644
--- a/l3build.dtx
+++ b/l3build.dtx
@@ -926,6 +926,11 @@
 % we provide a mechanism to run with older setting to allow this process to
 % take place smoothly.
 %
+% \subsubsection{Release 2024-02-08}
+%
+% Wrapping of messages by \pkg{l3msg} is now suppressed, aligning with the
+% approach to \var{maxprintline}.
+%
 % \subsubsection{Release 2023-03-22}
 %
 % This release changes the standard value of \var{maxprintline} from $79$ to
@@ -2588,6 +2593,12 @@
 \fi
 %    \end{macrocode}
 %
+%    \begin{macrocode}
+\ifcsname\detokenize{l_iow_line_count_int}\endcsname
+  \csname \detokenize{l_iow_line_count_int}\endcsname=9999 %
+\fi
+%    \end{macrocode}
+%
 % Finish up.
 %    \begin{macrocode}
 \reset@catcodes