diff --git a/chapter06/check.xml b/chapter06/check.xml
index 2e5cdd98b..ee72a0725 100644
--- a/chapter06/check.xml
+++ b/chapter06/check.xml
@@ -58,7 +58,9 @@
 
     <para>Install the package and fix a script:</para>
 
-    <screen><userinput remap="install">make docdir=/usr/share/doc/check-&check-version; install</userinput></screen>
+    <screen><userinput remap="install">make docdir=/usr/share/doc/check-&check-version; install &amp;&amp;
+sed -i '1 s/tools/usr/' /usr/bin/checkmk</userinput></screen>
+<!-- Removes a hardcoded call to /tools/bin/gawk at line 1 of checkmk. -->
 
   </sect2>