diff --git a/chapter08/pkgmgt.xml b/chapter08/pkgmgt.xml
index c5fcaa4be..3814b02b0 100644
--- a/chapter08/pkgmgt.xml
+++ b/chapter08/pkgmgt.xml
@@ -111,7 +111,7 @@
       (replace <replaceable>libfoo</replaceable> with the name of the
       library):</para>
 
-<screen><userinput role="nodump">grep -l  -e '<replaceable>libfoo</replaceable>.*deleted' /proc/*/maps |
+<screen role="nodump"><userinput>grep -l  -e '<replaceable>libfoo</replaceable>.*deleted' /proc/*/maps |
    tr -cd 0-9\\n | xargs -r ps u</userinput></screen>
 
       <para>