diff --git a/src/main/java/org/elasticsearch/index/search/child/TopChildrenQuery.java b/src/main/java/org/elasticsearch/index/search/child/TopChildrenQuery.java
index 57fe74e112a..54a8117a759 100644
--- a/src/main/java/org/elasticsearch/index/search/child/TopChildrenQuery.java
+++ b/src/main/java/org/elasticsearch/index/search/child/TopChildrenQuery.java
@@ -284,6 +284,10 @@ public class TopChildrenQuery extends Query implements ScopePhase.TopDocsPhase {
 
         @Override
         public int docID() {
+            if (index == -1) {
+                return -1;
+            }
+
             if (index >= docs.length) {
                 return NO_MORE_DOCS;
             }
diff --git a/src/test/java/org/elasticsearch/test/integration/search/child/SimpleChildQuerySearchTests.java b/src/test/java/org/elasticsearch/test/integration/search/child/SimpleChildQuerySearchTests.java
index e3505f7928f..c62a3606aa6 100644
--- a/src/test/java/org/elasticsearch/test/integration/search/child/SimpleChildQuerySearchTests.java
+++ b/src/test/java/org/elasticsearch/test/integration/search/child/SimpleChildQuerySearchTests.java
@@ -32,9 +32,11 @@ import org.testng.annotations.AfterClass;
 import org.testng.annotations.BeforeClass;
 import org.testng.annotations.Test;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
 
-import static com.google.common.collect.Lists.newArrayList;
 import static com.google.common.collect.Maps.newHashMap;
 import static org.elasticsearch.index.query.FilterBuilders.hasChildFilter;
 import static org.elasticsearch.index.query.FilterBuilders.hasParentFilter;
@@ -695,6 +697,32 @@ public class SimpleChildQuerySearchTests extends AbstractNodesTests {
         assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));
     }
 
+    @Test
+    public void testFixAOBEIfTopChildrenIswrappedInMusNotClause() throws Exception {
+        client.admin().indices().prepareDelete().execute().actionGet();
+
+        client.admin().indices().prepareCreate("test").setSettings(ImmutableSettings.settingsBuilder().put("index.number_of_shards", 1).put("index.number_of_replicas", 0)).execute().actionGet();
+        client.admin().cluster().prepareHealth().setWaitForGreenStatus().execute().actionGet();
+        client.admin().indices().preparePutMapping("test").setType("child").setSource(XContentFactory.jsonBuilder().startObject().startObject("type")
+                .startObject("_parent").field("type", "parent").endObject()
+                .endObject().endObject()).execute().actionGet();
+
+        // index simple data
+        client.prepareIndex("test", "parent", "p1").setSource("p_field", "p_value1").execute().actionGet();
+        client.prepareIndex("test", "child", "c1").setSource("c_field", "red").setParent("p1").execute().actionGet();
+        client.prepareIndex("test", "child", "c2").setSource("c_field", "yellow").setParent("p1").execute().actionGet();
+        client.prepareIndex("test", "parent", "p2").setSource("p_field", "p_value2").execute().actionGet();
+        client.prepareIndex("test", "child", "c3").setSource("c_field", "blue").setParent("p2").execute().actionGet();
+        client.prepareIndex("test", "child", "c4").setSource("c_field", "red").setParent("p2").execute().actionGet();
+
+        client.admin().indices().prepareRefresh().execute().actionGet();
+
+        SearchResponse searchResponse = client.prepareSearch("test").setSearchType(SearchType.QUERY_THEN_FETCH)
+                .setQuery(boolQuery().mustNot(topChildrenQuery("child", boolQuery().should(queryString("c_field:*")))))
+                .execute().actionGet();
+        assertThat("Failures " + Arrays.toString(searchResponse.shardFailures()), searchResponse.shardFailures().length, equalTo(0));
+    }
+
     @Test
     public void testTopChildrenReSearchBug() throws Exception {
         client.admin().indices().prepareDelete().execute().actionGet();
@@ -754,19 +782,19 @@ public class SimpleChildQuerySearchTests extends AbstractNodesTests {
         client.admin().indices().prepareDelete().execute().actionGet();
 
         client.admin().indices().prepareCreate("test").setSettings(
-                    ImmutableSettings.settingsBuilder()
-                            .put("index.number_of_shards", 1)
-                            .put("index.number_of_replicas", 0)
-                ).execute().actionGet();
+                ImmutableSettings.settingsBuilder()
+                        .put("index.number_of_shards", 1)
+                        .put("index.number_of_replicas", 0)
+        ).execute().actionGet();
         client.admin().cluster().prepareHealth().setWaitForGreenStatus().execute().actionGet();
         client.admin().indices().preparePutMapping("test").setType("child").setSource(
                 XContentFactory.jsonBuilder()
                         .startObject()
-                            .startObject("type")
-                                .startObject("_parent")
-                                    .field("type", "parent")
-                                .endObject()
-                .           endObject()
+                        .startObject("type")
+                        .startObject("_parent")
+                        .field("type", "parent")
+                        .endObject()
+                        .endObject()
                         .endObject()
         ).execute().actionGet();