diff --git a/src/Orchard.Web/Modules/Orchard.Indexing/Services/IndexingTaskManager.cs b/src/Orchard.Web/Modules/Orchard.Indexing/Services/IndexingTaskManager.cs
index 9c2cb0de6..75c30f699 100644
--- a/src/Orchard.Web/Modules/Orchard.Indexing/Services/IndexingTaskManager.cs
+++ b/src/Orchard.Web/Modules/Orchard.Indexing/Services/IndexingTaskManager.cs
@@ -55,7 +55,7 @@ namespace Orchard.Indexing.Services {
         }
 
         public DateTime GetLastTaskDateTime() {
-            return _repository.Table.Max(t => t.CreatedUtc) ?? DateTime.MinValue;
+            return _repository.Table.Max(t => t.CreatedUtc) ?? new DateTime(1980, 1, 1);
         }
 
         /// <summary>