diff --git a/backend/Tnsu.ApprovalRoute.Application/Reports/RouteExportService.cs b/backend/Tnsu.ApprovalRoute.Application/Reports/RouteExportService.cs
index 4bb1d5c..a8f04ff 100644
--- a/backend/Tnsu.ApprovalRoute.Application/Reports/RouteExportService.cs
+++ b/backend/Tnsu.ApprovalRoute.Application/Reports/RouteExportService.cs
@@ -88,6 +88,9 @@ public sealed class RouteExportService(
         var routes = await db.TemplateRoutes.AsNoTracking()
             .Where(x => requestTypeIds.Contains(x.RequestTypeId))
             .Include(x => x.Steps).ThenInclude(s => s.Conditions)
+            // Две вложенные коллекции (шаги и их условия) одним запросом дали бы декартово
+            // произведение строк — режем на отдельные запросы.
+            .AsSplitQuery()
             .OrderBy(x => x.Id)
             .ToListAsync(cancellationToken);