1 files changed, 2 insertions, 2 deletions
diff --git a/core/src/main/java/org/elasticsearch/search/fetch/subphase/ParentFieldSubFetchPhase.java b/core/src/main/java/org/elasticsearch/search/fetch/subphase/ParentFieldSubFetchPhase.java
index 00b9686702..0ffef32e42 100644
--- a/core/src/main/java/org/elasticsearch/search/fetch/subphase/ParentFieldSubFetchPhase.java
+++ b/core/src/main/java/org/elasticsearch/search/fetch/subphase/ParentFieldSubFetchPhase.java
@@ -62,11 +62,11 @@ public final class ParentFieldSubFetchPhase implements FetchSubPhase {
     public static String getParentId(ParentFieldMapper fieldMapper, LeafReader reader, int docId) {
         try {
             SortedDocValues docValues = reader.getSortedDocValues(fieldMapper.name());
-            if (docValues == null) {
+            if (docValues == null || docValues.advanceExact(docId) == false) {
                 // hit has no _parent field.
                 return null;
             }
-            BytesRef parentId = docValues.get(docId);
+            BytesRef parentId = docValues.binaryValue();
             return parentId.length > 0 ? parentId.utf8ToString() : null;
         } catch (IOException e) {
             throw ExceptionsHelper.convertToElastic(e);