diff --git a/tests/Tests/Aggregations/Bucket/DateHistogram/DateHistogramAggregationUsageTests.cs b/tests/Tests/Aggregations/Bucket/DateHistogram/DateHistogramAggregationUsageTests.cs
index e9c50133ac4..ad2ff73d7d8 100644
--- a/tests/Tests/Aggregations/Bucket/DateHistogram/DateHistogramAggregationUsageTests.cs
+++ b/tests/Tests/Aggregations/Bucket/DateHistogram/DateHistogramAggregationUsageTests.cs
@@ -226,8 +226,8 @@ public DateHistogramAggregationWithHardBoundsUsageTests(ReadOnlyCluster i, Endpo
 
 			var projects = Project.Projects.OrderBy(p => p.StartedOn).Skip(2).Take(5).ToArray();
 			
-			_hardBoundsMinimum = projects.Min(p => p.StartedOn.Date);
-			_hardBoundsMaximum = projects.Max(p => p.StartedOn.Date);
+			_hardBoundsMinimum = projects.Min(p => DateTime.SpecifyKind(p.StartedOn.Date, DateTimeKind.Utc));
+			_hardBoundsMaximum = projects.Max(p => DateTime.SpecifyKind(p.StartedOn.Date, DateTimeKind.Utc));
 		}
 
 		protected override object AggregationJson => new