diff --git a/lucene/analysis/common/src/test/org/apache/lucene/analysis/util/TestFilesystemResourceLoader.java b/lucene/analysis/common/src/test/org/apache/lucene/analysis/util/TestFilesystemResourceLoader.java
index 96248a2e8db..01887ef9239 100644
--- a/lucene/analysis/common/src/test/org/apache/lucene/analysis/util/TestFilesystemResourceLoader.java
+++ b/lucene/analysis/common/src/test/org/apache/lucene/analysis/util/TestFilesystemResourceLoader.java
@@ -60,7 +60,7 @@ public class TestFilesystemResourceLoader extends LuceneTestCase {
   }
   
   public void testBaseDir() throws Exception {
-    final File base = _TestUtil.getTempDir("fsResourceLoaderBase");
+    final File base = _TestUtil.getTempDir("fsResourceLoaderBase").getAbsoluteFile();
     try {
       base.mkdirs();
       Writer os = new OutputStreamWriter(new FileOutputStream(new File(base, "template.txt")), IOUtils.CHARSET_UTF_8);