diff --git a/x-pack/plugin/rollup/src/test/java/org/elasticsearch/xpack/rollup/job/RollupIndexerIndexingTests.java b/x-pack/plugin/rollup/src/test/java/org/elasticsearch/xpack/rollup/job/RollupIndexerIndexingTests.java
index f2797413c80..1641ac6b7f7 100644
--- a/x-pack/plugin/rollup/src/test/java/org/elasticsearch/xpack/rollup/job/RollupIndexerIndexingTests.java
+++ b/x-pack/plugin/rollup/src/test/java/org/elasticsearch/xpack/rollup/job/RollupIndexerIndexingTests.java
@@ -332,7 +332,7 @@ public class RollupIndexerIndexingTests extends AggregatorTestCase {
         String rollupIndex = randomAlphaOfLengthBetween(5, 10);
         String field = "the_histo";
         DateHistogramGroupConfig dateHistoConfig =
-            new DateHistogramGroupConfig(field, new DateHistogramInterval("1h"), new DateHistogramInterval("15m"), null);
+            new FixedInterval(field, new DateHistogramInterval("1h"), new DateHistogramInterval("15m"), null);
         RollupJobConfig job = createJob(rollupIndex, new GroupConfig(dateHistoConfig), Collections.emptyList());
         final List<Map<String, Object>> dataset = new ArrayList<>();
         long now = asLong("2015-04-01T10:30:00.000Z");