diff --git a/build-release.xml b/build-release.xml
index b91715d6..737d058d 100644
--- a/build-release.xml
+++ b/build-release.xml
@@ -183,7 +183,7 @@
         <mkdir dir="${build.dir}/asciidoc-lib/classes" />
         <ivy:retrieve organisation="org.asciidoctor" module="asciidoctor-ant" revision="1.5.4" inline="true" pattern="${build.dir}/asciidoc-lib/jars/[artifact].[ext]" conf="default" />
         <unzip src="${build.dir}/asciidoc-lib/jars/asciidoctor-ant.jar" dest="${build.dir}/asciidoc-lib/classes" />
-        <taskdef uri="antlib:org.asciidoctor.ant" resource="org/asciidoctor/ant/antlib.xml" classpathref="asciidoctor.path">
+        <taskdef uri="antlib:org.asciidoctor.ant" resource="org/asciidoctor/ant/antlib.xml">
             <classpath>
                 <pathelement location="${build.dir}/asciidoc-extensions/classes" />
                 <pathelement location="${build.dir}/asciidoc-lib/classes" />