diff --git a/Documentation/asciidoc.conf b/Documentation/asciidoc.conf
index fa0877d483..7ce71510de 100644
--- a/Documentation/asciidoc.conf
+++ b/Documentation/asciidoc.conf
@@ -18,6 +18,16 @@ ifdef::backend-docbook[]
{0#}
endif::backend-docbook[]
+ifdef::backend-docbook[]
+# "unbreak" docbook-xsl v1.68 for manpages. v1.69 works with or without this.
+[listingblock]
+{title}
+
+|
+
+{title#}
+endif::backend-docbook[]
+
ifdef::backend-xhtml11[]
[gitlink-inlinemacro]
{target}{0?({0})}