diff --git a/Documentation/asciidoc.conf b/Documentation/asciidoc.conf
index a26d245ab4..1273a85c8a 100644
--- a/Documentation/asciidoc.conf
+++ b/Documentation/asciidoc.conf
@@ -36,7 +36,7 @@ ifndef::git-asciidoc-no-roff[]
 # v1.72 breaks with this because it replaces dots not in roff requests.
 [listingblock]
 <example><title>{title}</title>
-<literallayout>
+<literallayout class="monospaced">
 ifdef::doctype-manpage[]
 &#10;.ft C&#10;
 endif::doctype-manpage[]
@@ -53,7 +53,7 @@ ifdef::doctype-manpage[]
 # The following two small workarounds insert a simple paragraph after screen
 [listingblock]
 <example><title>{title}</title>
-<literallayout>
+<literallayout class="monospaced">
 |
 </literallayout><simpara></simpara>
 {title#}</example>
diff --git a/Documentation/user-manual.conf b/Documentation/user-manual.conf
index 339b30919e..d87294de2f 100644
--- a/Documentation/user-manual.conf
+++ b/Documentation/user-manual.conf
@@ -14,7 +14,7 @@ ifdef::backend-docbook[]
 # "unbreak" docbook-xsl v1.68 for manpages. v1.69 works with or without this.
 [listingblock]
 <example><title>{title}</title>
-<literallayout>
+<literallayout class="monospaced">
 |
 </literallayout>
 {title#}</example>