diff --git a/sdk/azurestack/Microsoft.AzureStack.Management.Commerce.Admin/tests/src/SubscriberUsageAggregateTests.cs b/sdk/azurestack/Microsoft.AzureStack.Management.Commerce.Admin/tests/src/SubscriberUsageAggregateTests.cs
index 22e3588f5d283..e1b28c83e1925 100644
--- a/sdk/azurestack/Microsoft.AzureStack.Management.Commerce.Admin/tests/src/SubscriberUsageAggregateTests.cs
+++ b/sdk/azurestack/Microsoft.AzureStack.Management.Commerce.Admin/tests/src/SubscriberUsageAggregateTests.cs
@@ -46,7 +46,7 @@ public void TestListSubscriberUsageAggregatesFromLastTwoDays()
                 var testDate = new DateTime(2017, 09, 06);
                 testDate = DateTime.SpecifyKind(testDate, DateTimeKind.Utc);
                 var start = testDate.Floor();
-                var end = start.AddDays(1).Floor();
+                var end = testDate.AddDays(1).Floor();
 
                 // You need to do this.  ARM does this and you need to make
                 // sure you work with ARM.