diff --git a/chapter08/glibc.xml b/chapter08/glibc.xml
index d121084df..7cf111ef8 100644
--- a/chapter08/glibc.xml
+++ b/chapter08/glibc.xml
@@ -70,7 +70,7 @@ cd       build</userinput></screen>
     <para>Prepare Glibc for compilation:</para>
 
 <screen><userinput remap="configure">../configure --prefix=/usr                            \
-             --disable-Werror                         \
+             --disable-werror                         \
              --enable-kernel=&min-kernel;                      \
              --enable-stack-protector=strong          \
              --with-headers=/usr/include              \