diff --git a/appserver/tests/quicklook/ejb/mdb/src/test/mdb/MDBTests.java b/appserver/tests/quicklook/ejb/mdb/src/test/mdb/MDBTests.java
index b4bf97be3f8..ac1146e9937 100755
--- a/appserver/tests/quicklook/ejb/mdb/src/test/mdb/MDBTests.java
+++ b/appserver/tests/quicklook/ejb/mdb/src/test/mdb/MDBTests.java
@@ -90,7 +90,7 @@ public void runJMSAppTest(String mdbAppDir) throws Exception {
                 + " -client " + clientJar
                 + " -targetserver" + " localhost:3700"
                 + " -name ejb-ejb30-hello-mdb-client"
-                + " -cp " + gfClientJar + ";" + clientJar;
+                + " -cp " + gfClientJar + File.pathSeparator + clientJar;
         
         execReturn = RtExec.execute("MDBTests.runJMSAppTest", cmd);
         Assert.assertEquals(execReturn, true, "Run appclient against JMS APP failed ...");