diff --git a/src/plugins/data/common/index_patterns/index_pattern.stub.ts b/src/plugins/data/common/index_patterns/index_pattern.stub.ts
index e7384e09494aa..c47a8b605ada3 100644
--- a/src/plugins/data/common/index_patterns/index_pattern.stub.ts
+++ b/src/plugins/data/common/index_patterns/index_pattern.stub.ts
@@ -25,6 +25,7 @@ export const stubIndexPattern: IIndexPattern = {
   fields: stubFields,
   title: 'logstash-*',
   timeFieldName: '@timestamp',
+  getTimeField: () => ({ name: '@timestamp', type: 'date' }),
 };
 
 export const stubIndexPatternWithFields: IIndexPattern = {
diff --git a/src/plugins/data/common/search/aggs/buckets/date_histogram.ts b/src/plugins/data/common/search/aggs/buckets/date_histogram.ts
index ba79a4264d603..6b7f1522d19ad 100644
--- a/src/plugins/data/common/search/aggs/buckets/date_histogram.ts
+++ b/src/plugins/data/common/search/aggs/buckets/date_histogram.ts
@@ -149,7 +149,7 @@ export const getDateHistogramBucketAgg = ({
         type: 'field',
         filterFieldTypes: KBN_FIELD_TYPES.DATE,
         default(agg: IBucketDateHistogramAggConfig) {
-          return agg.getIndexPattern().timeFieldName;
+          return agg.getIndexPattern().getTimeField?.()?.name;
         },
         onChange(agg: IBucketDateHistogramAggConfig) {
           if (isAutoInterval(get(agg, 'params.interval')) && !agg.fieldIsTimeField()) {