diff --git a/modules/rank-eval/src/main/java/org/elasticsearch/index/rankeval/RankEvalContext.java b/modules/rank-eval/src/main/java/org/elasticsearch/index/rankeval/RankEvalContext.java
index 496dcbca02a..576fc594c9a 100644
--- a/modules/rank-eval/src/main/java/org/elasticsearch/index/rankeval/RankEvalContext.java
+++ b/modules/rank-eval/src/main/java/org/elasticsearch/index/rankeval/RankEvalContext.java
@@ -23,6 +23,7 @@ import org.elasticsearch.common.ParseFieldMatcher;
 import org.elasticsearch.common.ParseFieldMatcherSupplier;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.index.query.QueryParseContext;
+import org.elasticsearch.search.SearchExtRegistry;
 import org.elasticsearch.search.SearchRequestParsers;
 import org.elasticsearch.search.aggregations.AggregatorParsers;
 import org.elasticsearch.search.suggest.Suggesters;
@@ -47,6 +48,10 @@ public class RankEvalContext implements ParseFieldMatcherSupplier {
         return searchRequestParsers.aggParsers;
     }
 
+    public SearchExtRegistry getSearchExtParsers() {
+        return searchRequestParsers.searchExtParsers;
+    }
+
     @Override
     public ParseFieldMatcher getParseFieldMatcher() {
         return this.parseFieldMatcher;
diff --git a/modules/rank-eval/src/main/java/org/elasticsearch/index/rankeval/RatedRequest.java b/modules/rank-eval/src/main/java/org/elasticsearch/index/rankeval/RatedRequest.java
index 86861a2c95e..f40f004bad7 100644
--- a/modules/rank-eval/src/main/java/org/elasticsearch/index/rankeval/RatedRequest.java
+++ b/modules/rank-eval/src/main/java/org/elasticsearch/index/rankeval/RatedRequest.java
@@ -155,7 +155,7 @@ public class RatedRequest extends ToXContentToBytes implements Writeable {
         PARSER.declareString(RatedRequest::setSpecId, ID_FIELD);
         PARSER.declareObject(RatedRequest::setTestRequest, (p, c) -> {
             try {
-                return SearchSourceBuilder.fromXContent(c.getParseContext(), c.getAggs(),  c.getSuggesters());
+                return SearchSourceBuilder.fromXContent(c.getParseContext(), c.getAggs(),  c.getSuggesters(), c.getSearchExtParsers());
             } catch (IOException ex) {
                 throw new ParsingException(p.getTokenLocation(), "error parsing request", ex);
             }
@@ -206,7 +206,7 @@ public class RatedRequest extends ToXContentToBytes implements Writeable {
         builder.endObject();
         return builder;
     }
-    
+
     @Override
     public final boolean equals(Object obj) {
         if (this == obj) {
@@ -222,7 +222,7 @@ public class RatedRequest extends ToXContentToBytes implements Writeable {
                 Objects.equals(types, other.types) &&
                 Objects.equals(ratedDocs, other.ratedDocs);
     }
-    
+
     @Override
     public final int hashCode() {
         return Objects.hash(specId, testRequest, indices.hashCode(), types.hashCode(), ratedDocs.hashCode());
diff --git a/modules/rank-eval/src/test/java/org/elasticsearch/index/rankeval/RankEvalSpecTests.java b/modules/rank-eval/src/test/java/org/elasticsearch/index/rankeval/RankEvalSpecTests.java
index b6a6025a0ef..b7296161b05 100644
--- a/modules/rank-eval/src/test/java/org/elasticsearch/index/rankeval/RankEvalSpecTests.java
+++ b/modules/rank-eval/src/test/java/org/elasticsearch/index/rankeval/RankEvalSpecTests.java
@@ -53,7 +53,7 @@ public class RankEvalSpecTests extends ESTestCase {
         searchModule = new SearchModule(Settings.EMPTY, false, emptyList());
         IndicesQueriesRegistry queriesRegistry = searchModule.getQueryParserRegistry();
         Suggesters suggesters = searchModule.getSuggesters();
-        searchRequestParsers = new SearchRequestParsers(queriesRegistry, aggsParsers, suggesters);
+        searchRequestParsers = new SearchRequestParsers(queriesRegistry, aggsParsers, suggesters, null);
     }
 
     @AfterClass
@@ -98,7 +98,7 @@ public class RankEvalSpecTests extends ESTestCase {
 
         RankEvalSpec parsedItem = RankEvalSpec.parse(itemParser, rankContext);
         // IRL these come from URL parameters - see RestRankEvalAction
-        parsedItem.getSpecifications().stream().forEach(e -> {e.setIndices(indices); e.setTypes(types);}); 
+        parsedItem.getSpecifications().stream().forEach(e -> {e.setIndices(indices); e.setTypes(types);});
         assertNotSame(testItem, parsedItem);
         assertEquals(testItem, parsedItem);
         assertEquals(testItem.hashCode(), parsedItem.hashCode());
diff --git a/modules/rank-eval/src/test/java/org/elasticsearch/index/rankeval/RatedRequestsTests.java b/modules/rank-eval/src/test/java/org/elasticsearch/index/rankeval/RatedRequestsTests.java
index 7104b6aa4f4..d8f901cfb33 100644
--- a/modules/rank-eval/src/test/java/org/elasticsearch/index/rankeval/RatedRequestsTests.java
+++ b/modules/rank-eval/src/test/java/org/elasticsearch/index/rankeval/RatedRequestsTests.java
@@ -57,7 +57,7 @@ public class RatedRequestsTests extends ESTestCase {
         searchModule = new SearchModule(Settings.EMPTY, false, emptyList());
         IndicesQueriesRegistry queriesRegistry = searchModule.getQueryParserRegistry();
         Suggesters suggesters = searchModule.getSuggesters();
-        searchRequestParsers = new SearchRequestParsers(queriesRegistry, aggsParsers, suggesters);
+        searchRequestParsers = new SearchRequestParsers(queriesRegistry, aggsParsers, suggesters, null);
     }
 
     @AfterClass
@@ -78,7 +78,7 @@ public class RatedRequestsTests extends ESTestCase {
         for (int i = 0; i < size; i++) {
             ratedDocs.add(RatedDocumentTests.createTestItem());
         }
-        
+
         return new RatedRequest(specId, testRequest, indices, types, ratedDocs);
     }
 
@@ -146,6 +146,6 @@ public class RatedRequestsTests extends ESTestCase {
         assertEquals("3", ratedDocs.get(2).getKey().getDocID());
         assertEquals(1, ratedDocs.get(2).getRating());
     }
-    
-    
+
+
 }