diff --git a/chapter05/glibc.xml b/chapter05/glibc.xml
index 98f22ad17..dd3487355 100644
--- a/chapter05/glibc.xml
+++ b/chapter05/glibc.xml
@@ -166,9 +166,10 @@ cd ../glibc-build</userinput></screen>
     <para>Compilation is now complete. As mentioned earlier, running the
     test suites for the temporary tools installed in this chapter is not
     mandatory. To run the Glibc test suite (if desired), the following
-    command will do so:</para>
+    commands will do so:</para>
 
-<screen><userinput remap="test">make check</userinput></screen>
+<screen><userinput remap="test">cp -v ../glibc-&glibc-version;/iconvdata/gconv-modules iconvdata
+make check</userinput></screen>
 
     <para>For a discussion of test failures that are of particular
     importance, please see <xref linkend="ch-system-glibc" role="."/></para>