diff --git a/chapter06/shadowpwd-inst.xml b/chapter06/shadowpwd-inst.xml
index 50a7f3d13..8f6c1f529 100644
--- a/chapter06/shadowpwd-inst.xml
+++ b/chapter06/shadowpwd-inst.xml
@@ -13,7 +13,13 @@ following commands:
make install &&
cd etc &&
cp -f limits login.access /etc &&
-sed 's%/var/spool/mail%/var/mail%' login.defs.linux > /etc/login.defs
+sed 's%/var/spool/mail%/var/mail%' login.defs.linux > /etc/login.defs
+cd /lib &&
+mv libshadow.a /usr/lib &&
+mv libshadow.la /usr/lib &&
+ln -sf libshadow.so.0 libshadow.so &&
+cd /usr/lib &&
+ln -sf ../../lib/libshadow.so