diff --git a/chapter06/zlib.xml b/chapter06/zlib.xml
index 044ceadf5..1dfa3a9bc 100644
--- a/chapter06/zlib.xml
+++ b/chapter06/zlib.xml
@@ -62,7 +62,7 @@
     <filename class="extension">.so</filename> file in
     <filename class="directory">/usr/lib</filename> will need to be recreated:</para>
 
-<screen><userinput remap="install">mv -v /usr/lib/libz.so* /lib
+<screen><userinput remap="install">mv -v /usr/lib/libz.so.* /lib
 ln -sfv ../../lib/libz.so.&zlib-version; /usr/lib/libz.so</userinput></screen>
 
   </sect2>