1 files changed, 9 insertions, 1 deletions
diff --git a/core/src/main/java/org/elasticsearch/search/aggregations/bucket/significant/UnmappedSignificantTerms.java b/core/src/main/java/org/elasticsearch/search/aggregations/bucket/significant/UnmappedSignificantTerms.java
index f9d8375af8..7252909bf1 100644
--- a/core/src/main/java/org/elasticsearch/search/aggregations/bucket/significant/UnmappedSignificantTerms.java
+++ b/core/src/main/java/org/elasticsearch/search/aggregations/bucket/significant/UnmappedSignificantTerms.java
@@ -31,15 +31,18 @@ import org.elasticsearch.search.aggregations.bucket.terms.UnmappedTerms;
 import org.elasticsearch.search.aggregations.pipeline.PipelineAggregator;
 
 import java.io.IOException;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
+import static java.util.Collections.emptyIterator;
 import static java.util.Collections.emptyList;
 
 /**
  * Result of the running the significant terms aggregation on an unmapped field.
  */
 public class UnmappedSignificantTerms extends InternalSignificantTerms<UnmappedSignificantTerms, UnmappedSignificantTerms.Bucket> {
+
     public static final String NAME = "umsigterms";
 
     /**
@@ -117,7 +120,12 @@ public class UnmappedSignificantTerms extends InternalSignificantTerms<UnmappedS
     }
 
     @Override
-    protected List<Bucket> getBucketsInternal() {
+    public Iterator<SignificantTerms.Bucket> iterator() {
+        return emptyIterator();
+    }
+
+    @Override
+    public List<Bucket> getBuckets() {
         return emptyList();
     }