diff --git a/docs/nmap-usage.xml b/docs/nmap-usage.xml
index a15096cb8..3f17fb96e 100644
--- a/docs/nmap-usage.xml
+++ b/docs/nmap-usage.xml
@@ -1,2 +1,2 @@
 <?dbfo-need height="1in"?>
-<literallayout><xi:include href="nmap.usage.txt" parse="text" xmlns:xi="http://www.w3.org/2001/XInclude" /></literallayout>
+<screen><xi:include href="nmap.usage.txt" parse="text" xmlns:xi="http://www.w3.org/2001/XInclude" /></screen>