diff --git a/chapter03/patches.xml b/chapter03/patches.xml
index a3779eed5..b85708b63 100644
--- a/chapter03/patches.xml
+++ b/chapter03/patches.xml
@@ -103,7 +103,7 @@ following:</para>
 <varlistentry>
 <term>IPRoute2 Disable DB Patch - 1 KB:</term>
 <listitem>
-<para><ulink url="&patches-root;iproute2-&iproute2-version;-remove_db-1.patch"/></para>
+<para><ulink url="&patches-root;iproute2-&iproute2--patch-version;-remove_db-1.patch"/></para>
 </listitem>
 </varlistentry>