diff --git a/tests/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer.IntegrationTests/AdvertisedAggregateFunctionsWireTests.cs b/tests/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer.IntegrationTests/AdvertisedAggregateFunctionsWireTests.cs
index d2119760d..b50bef258 100644
--- a/tests/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer.IntegrationTests/AdvertisedAggregateFunctionsWireTests.cs
+++ b/tests/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer.IntegrationTests/AdvertisedAggregateFunctionsWireTests.cs
@@ -27,9 +27,11 @@ public sealed class AdvertisedAggregateFunctionsWireTests
         "Average", "Count", "Delta", "End", "Maximum", "MaximumActualTime", "Minimum", "MinimumActualTime", "Range", "Start",
     ];
 
+    // #820 added DurationBad / DurationGood (the PercentBad / PercentGood region times, in ms).
     private static readonly string[] SqlNames =
     [
-        "Average", "Count", "Delta", "End", "Interpolative", "Maximum", "MaximumActualTime", "Minimum", "MinimumActualTime",
+        "Average", "Count", "Delta", "DurationBad", "DurationGood", "End", "Interpolative", "Maximum", "MaximumActualTime",
+        "Minimum", "MinimumActualTime",
         "PercentBad", "PercentGood", "Range", "Start", "TimeAverage", "TimeAverage2", "Total", "Total2",
     ];