diff --git a/TeachingRecordSystem/src/TeachingRecordSystem.Core/Dqt/Services/DqtReporting/DqtReportingService.cs b/TeachingRecordSystem/src/TeachingRecordSystem.Core/Dqt/Services/DqtReporting/DqtReportingService.cs
index df377dd7c..627e5f55e 100644
--- a/TeachingRecordSystem/src/TeachingRecordSystem.Core/Dqt/Services/DqtReporting/DqtReportingService.cs
+++ b/TeachingRecordSystem/src/TeachingRecordSystem.Core/Dqt/Services/DqtReporting/DqtReportingService.cs
@@ -21,7 +21,7 @@ public partial class DqtReportingService : BackgroundService
     public const string ProcessChangesOperationName = "DqtReporting: process changes";
 
     private const int MaxParameters = 1024;
-    private const int PageSize = 500;
+    private const int PageSize = 300;
     private const int MaxUpsertBatchSize = 100;
     private const int MaxEntityTypesToProcessConcurrently = 10;