diff --git a/AsbCloudInfrastructure/Services/WellOperationImport/WellOperationExportService.cs b/AsbCloudInfrastructure/Services/WellOperationImport/WellOperationExportService.cs
index 89cf1494..5ce7a2e2 100644
--- a/AsbCloudInfrastructure/Services/WellOperationImport/WellOperationExportService.cs
+++ b/AsbCloudInfrastructure/Services/WellOperationImport/WellOperationExportService.cs
@@ -96,7 +96,7 @@ public class WellOperationExportService : IWellOperationExportService
 		row.Cell(DefaultTemplateInfo.ColumnCategoryInfo).SetCellValue(operation.CategoryInfo);
 		row.Cell(DefaultTemplateInfo.ColumnDepthStart).SetCellValue(operation.DepthStart);
 		row.Cell(DefaultTemplateInfo.ColumnDepthEnd).SetCellValue(operation.DepthEnd);
-		row.Cell(DefaultTemplateInfo.ColumnDate).SetCellValue(operation.DateStart);
+		row.Cell(DefaultTemplateInfo.ColumnDate).SetCellValue(operation.DateStart.DateTime);
 		row.Cell(DefaultTemplateInfo.ColumnDuration).SetCellValue(operation.DurationHours);
 		row.Cell(DefaultTemplateInfo.ColumnComment).SetCellValue(operation.Comment);
 	}