diff --git a/bacula/templates/device.conf.erb b/bacula/templates/device.conf.erb
index b98dbf9..ac8de4e 100644
--- a/bacula/templates/device.conf.erb
+++ b/bacula/templates/device.conf.erb
@@ -8,5 +8,7 @@ Device {
     RemovableMedia = yes;
     RandomAccess = no;
     Maximum Network Buffer Size = 65536
+    Maximum File Size = 5GB
+    Maximum Blocksize = 1024000
     Alert Command = "sh -c '/usr/local/sbin/tapealert %a'"
 }