diff --git a/src/xz/message.h b/src/xz/message.h
index 1734f0ea..3f6e1835 100644
--- a/src/xz/message.h
+++ b/src/xz/message.h
@@ -115,6 +115,7 @@ extern void message_help(bool long_help);
 
 /// Prints a help message specifically for using the --filters and
 /// --filtersX command line options.
+tuklib_attr_noreturn
 extern void message_filters_help(void);