diff --git a/core/src/test/java/org/elasticsearch/index/query/functionscore/FunctionScoreTests.java b/core/src/test/java/org/elasticsearch/index/query/functionscore/FunctionScoreTests.java
index 11a68c12684..112de76b43e 100644
--- a/core/src/test/java/org/elasticsearch/index/query/functionscore/FunctionScoreTests.java
+++ b/core/src/test/java/org/elasticsearch/index/query/functionscore/FunctionScoreTests.java
@@ -799,7 +799,7 @@ public class FunctionScoreTests extends ESTestCase {
     }
 
     public void testWithInvalidScores() {
-        IndexSearcher localSearcher = newSearcher(reader);
+        IndexSearcher localSearcher = new IndexSearcher(reader);
         FunctionScoreQuery query1 = new FunctionScoreQuery(new TermQuery(new Term(FIELD, "out")),
             new ConstantScoreFunction(Float.NaN), CombineFunction.REPLACE, null, Float.POSITIVE_INFINITY);
         ElasticsearchException exc = expectThrows(ElasticsearchException.class, () -> localSearcher.search(query1, 1));