diff --git a/lucene/test-framework/src/java/org/apache/lucene/index/ThreadedIndexingAndSearchingTestCase.java b/lucene/test-framework/src/java/org/apache/lucene/index/ThreadedIndexingAndSearchingTestCase.java
index e4d625f03b9..2366d88fd77 100644
--- a/lucene/test-framework/src/java/org/apache/lucene/index/ThreadedIndexingAndSearchingTestCase.java
+++ b/lucene/test-framework/src/java/org/apache/lucene/index/ThreadedIndexingAndSearchingTestCase.java
@@ -380,7 +380,7 @@ public abstract class ThreadedIndexingAndSearchingTestCase extends LuceneTestCas
                         //if (VERBOSE) {
                         //System.out.println(Thread.currentThread().getName() + " now search body:" + term.utf8ToString());
                         //}
-                        totHits.addAndGet(runQuery(s, new TermQuery(new Term("body", term))));
+                        totHits.addAndGet(runQuery(s, new TermQuery(new Term("body", BytesRef.deepCopyOf(term)))));
                       }
                     }
                     //if (VERBOSE) {