diff --git a/pmd-netbeans/build.xml b/pmd-netbeans/build.xml
index 2c2d3d0201..a345d5730b 100644
--- a/pmd-netbeans/build.xml
+++ b/pmd-netbeans/build.xml
@@ -53,7 +53,7 @@
 				<include name="lib/jaxen-1.1-beta-10.jar"/>
                                 <include name="lib/asm-3.0.jar"/>
                                 <include name="lib/jakarta-oro-2.0.8.jar"/>
-                                <include name="backport-util-concurrent.jar"/>
+                                <include name="lib/backport-util-concurrent.jar"/>
 			</zipfileset>
 			<zipfileset dir="." fullpath="pmd-${nb.version}-${VERSION}/pmd.nbm" includes="build/pmd.nbm"/>
 		</zip>