diff --git a/plugins/examples/rescore/src/main/java/org/elasticsearch/example/rescore/ExampleRescoreBuilder.java b/plugins/examples/rescore/src/main/java/org/elasticsearch/example/rescore/ExampleRescoreBuilder.java
index 7109f6686451b..f599ddb63deff 100644
--- a/plugins/examples/rescore/src/main/java/org/elasticsearch/example/rescore/ExampleRescoreBuilder.java
+++ b/plugins/examples/rescore/src/main/java/org/elasticsearch/example/rescore/ExampleRescoreBuilder.java
@@ -26,6 +26,7 @@
 import org.elasticsearch.index.fielddata.SortedNumericDoubleValues;
 import org.elasticsearch.index.query.QueryRewriteContext;
 import org.elasticsearch.index.query.SearchExecutionContext;
+import org.elasticsearch.index.mapper.MappedFieldType;
 import org.elasticsearch.search.rescore.RescoreContext;
 import org.elasticsearch.search.rescore.Rescorer;
 import org.elasticsearch.search.rescore.RescorerBuilder;
@@ -99,7 +100,8 @@ public static ExampleRescoreBuilder fromXContent(XContentParser parser) {
     @Override
     public RescoreContext innerBuildContext(int windowSize, SearchExecutionContext context) throws IOException {
         IndexFieldData<?> factorFieldData =
-                this.factorField == null ? null : context.getForField(context.getFieldType(this.factorField));
+                this.factorField == null ? null : context.getForField(context.getFieldType(this.factorField),
+                    MappedFieldType.FielddataOperation.SEARCH);
         return new ExampleRescoreContext(windowSize, factor, factorFieldData);
     }