diff --git a/chapter08/glibc.xml b/chapter08/glibc.xml
index af72ad03b..9a407291c 100644
--- a/chapter08/glibc.xml
+++ b/chapter08/glibc.xml
@@ -245,7 +245,7 @@ install -v -Dm644 ../nscd/nscd.service /usr/lib/systemd/system/nscd.service</use
     locales necessary for the optimal coverage of tests:</para>
 
 <screen role="nodump"><userinput remap="locale-test">mkdir -pv /usr/lib/locale
-localedef -i POSIX -f UTF-8 C.UTF-8 2> /dev/null || true
+localedef -i C -f UTF-8 C.UTF-8
 localedef -i cs_CZ -f UTF-8 cs_CZ.UTF-8
 localedef -i de_DE -f ISO-8859-1 de_DE
 localedef -i de_DE@euro -f ISO-8859-15 de_DE@euro