Index: openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/jdbc/query/TestQueryParameterBinding.java
===================================================================
--- openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/jdbc/query/TestQueryParameterBinding.java	(revision 1195143)
+++ openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/jdbc/query/TestQueryParameterBinding.java	(working copy)
@@ -262,8 +262,21 @@
         List list = q.getResultList();
         assertEquals(1, list.size());
     }
+    
+    public void testPositionalParametersWithUpdateQuery() {
+        String JPQL_POSITIONAL = "UPDATE Binder p SET p.p3=?1 WHERE p.p1 IN "
+ 		+ " (SELECT x.p1 FROM Binder x WHERE x.p1=?2) AND p.p2=?3";
+        Query q = em.createQuery(JPQL_POSITIONAL);
+        q.setParameter(1,  DBL_VALUE);
+        q.setParameter(2,  INT_VALUE);
+        q.setParameter(3,  STR_VALUE);
 
-    
+	em.getTransaction().begin();
+        int result = q.executeUpdate();
+	em.getTransaction().commit();
+        assertEquals(1, result);
+    }
+
     void assertSetParameterFails(Query q, String name, Object v) {
         try {
             q.setParameter(name, v);