diff --git a/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/BrokerImpl.java b/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/BrokerImpl.java
index 5253b4db0..f7678e95b 100644
--- a/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/BrokerImpl.java
+++ b/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/BrokerImpl.java
@@ -3457,6 +3457,9 @@ public class BrokerImpl
         if (_transAdditions != null) {
             _transAdditions.clear();
         }
+        if (_pending != null) {
+            _pending = null;
+        }
         if (_dmLite == null) {
             _dmLite = new DetachManagerLite(_conf);
         }
diff --git a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/detachment/TestDetachLite.java b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/detachment/TestDetachLite.java
index 0d4a8b94f..9fd9fd102 100644
--- a/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/detachment/TestDetachLite.java
+++ b/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/detachment/TestDetachLite.java
@@ -45,6 +45,16 @@ public class TestDetachLite extends TestDetach {
         root = createData();
     }
 
+    public void testPendingClear() {
+        EntityManager em = emf.createEntityManager();
+        DMCustomer dm = em.find(DMCustomer.class, root.getId());
+        dm.setLastName(System.currentTimeMillis() + "--last");
+        em.clear();
+        em.getTransaction().begin();
+        // Pre OPENJPA-2136 this commit call would fail.
+        em.getTransaction().commit();
+    }
+
     public void testLeaveProxy() {
         Object[] p = props;
         p[1] = "loaded(LiteAutoDetach=true,DetachProxyFields=false)";