diff --git a/ant/src/plugin-test/maven.xml b/ant/src/plugin-test/maven.xml
index 3268a1cf..a12a477a 100644
--- a/ant/src/plugin-test/maven.xml
+++ b/ant/src/plugin-test/maven.xml
@@ -18,6 +18,7 @@
 <project xmlns:util="jelly:util"
          xmlns:j="jelly:core"
          xmlns:ant="jelly:ant"
+         xmlns:maven="jelly:maven"
          xmlns:assert="assert">
          
   <goal name="testPlugin" prereqs="test-ant">
@@ -31,12 +32,18 @@
 
     <ant:property name="noget" value="noget" />
     <ant:ant/>
-    
-    <assert:assertFileExists file="${maven.build.dest}/directory-1/file1.properties"/>
-    <assert:assertFileExists file="${maven.build.dest}/file2.properties"/>
-    <assert:assertFileExists file="${maven.test.dest}/directory-1/file1.properties"/>
-    <assert:assertFileExists file="${maven.test.dest}/file2.properties"/>
+
+    <!-- use relative paths -->    
+    <j:set var="baseDirFile" value="${pom.file.canonicalFile.parentFile}"/>
+    <maven:makeRelativePath basedir="${baseDirFile}" path="${maven.build.dest}" separator="/" var="classesdir"/>
+    <maven:makeRelativePath basedir="${baseDirFile}" path="${maven.test.dest}" separator="/" var="testclassesdir"/>
+
+    <assert:assertFileExists file="${classesdir}/directory-1/file1.properties"/>
+    <assert:assertFileExists file="${classesdir}/file2.properties"/>
+    <assert:assertFileExists file="${testclassesdir}/directory-1/file1.properties"/>
+    <assert:assertFileExists file="${testclassesdir}/file2.properties"/>
 
     <delete file="${basedir}/build.xml"/>
   </goal>
+
 </project>