diff --git a/src/test/java/org/jboss/test/virtual/test/JARCacheUnitTestCase.java b/src/test/java/org/jboss/test/virtual/test/JARCacheUnitTestCase.java
index 524f7940..304a24c0 100644
--- a/src/test/java/org/jboss/test/virtual/test/JARCacheUnitTestCase.java
+++ b/src/test/java/org/jboss/test/virtual/test/JARCacheUnitTestCase.java
@@ -53,7 +53,7 @@ public JARCacheUnitTestCase(String name)
    public void test1() throws Exception
    {
       // Create a test.jar with v1 in manifest
-      File testFile = File.createTempFile("test", ".jar");
+      File testFile = new File("test.jar");
       {
          Manifest manifest = new Manifest();
          manifest.getMainAttributes().putValue(Attributes.Name.MANIFEST_VERSION.toString(), "1");