diff --git a/test/plugin.jelly b/test/plugin.jelly
index 2ab25850..a5637abc 100644
--- a/test/plugin.jelly
+++ b/test/plugin.jelly
@@ -43,8 +43,8 @@
     </j:if>
     <ant:path id="_searchdir" location="${maven.test.searchdir}"/>
     <maven:addPath id="maven.test.compile.src.set" refid="_searchdir"/>
-    <pathconvert pathsep=":" property="_testSrcDirs" refid="maven.test.compile.src.set"/>
-    <u:tokenize var="_listOfTestSrcDirs" delim=":">${_testSrcDirs}</u:tokenize>
+    <pathconvert pathsep="${path.separator}" property="_testSrcDirs" refid="maven.test.compile.src.set"/>
+    <u:tokenize var="_listOfTestSrcDirs" delim="${path.separator}">${_testSrcDirs}</u:tokenize>
 
     <j:if test="${unitTestSourcesPresent == 'true' and context.getVariable('maven.test.skip') != 'true'}">