diff --git a/chapter06/glibc-inst.xml b/chapter06/glibc-inst.xml
index c7009e4f5..a3a925954 100644
--- a/chapter06/glibc-inst.xml
+++ b/chapter06/glibc-inst.xml
@@ -29,7 +29,8 @@ Install Glibc by running the following commands:
make &&
make install &&
make localedata/install-locales &&
- cp login/pt_chown /usr/bin
+ cp login/pt_chown /usr/bin &&
+ chmod 4755 /usr/bin/pw_chown