diff --git a/chapter10/kernel/kernel-config.py b/chapter10/kernel/kernel-config.py
index eac2b6c4d..814484b84 100755
--- a/chapter10/kernel/kernel-config.py
+++ b/chapter10/kernel/kernel-config.py
@@ -293,7 +293,7 @@ for i0, val, i1, title, arrow, key, menu, comment in r:
 
 from jinja2 import Template
 
-t = Template('''<?xml version="1.0" encoding="ISO-8859-1"?>
+t = Template('''<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE note PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
 <!-- Automatically generated by kernel-config.py
diff --git a/packages.ent b/packages.ent
index 2caa1f663..b1cc7c1d5 100644
--- a/packages.ent
+++ b/packages.ent
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
+<?xml version="1.0" encoding="UTF-8"?>
 
 <!-- Notes:
      For empty *-home entities use " " not ""
diff --git a/patches.ent b/patches.ent
index 6c03b9728..1bcd45dc3 100644
--- a/patches.ent
+++ b/patches.ent
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
+<?xml version="1.0" encoding="UTF-8"?>
 
 <!-- Start of Common Patches -->