diff --git a/Elwig/Services/DeliveryService.cs b/Elwig/Services/DeliveryService.cs
index 2e3bfd1..58d2427 100644
--- a/Elwig/Services/DeliveryService.cs
+++ b/Elwig/Services/DeliveryService.cs
@@ -614,7 +614,7 @@ namespace Elwig.Services {
                 }
 
                 await ctx.SaveChangesAsync();
-                if (!anyLeft)
+                if (!anyLeft && n.LsNr != d.LsNr)
                     await ctx.Database.ExecuteSqlAsync($"DELETE FROM delivery WHERE (year, did) = ({d.Year}, {d.DId})");
             }