diff --git a/backupninja/files/dup.conf b/backupninja/files/dup.conf
index dbc633d..05ee5a0 100644
--- a/backupninja/files/dup.conf
+++ b/backupninja/files/dup.conf
@@ -18,7 +18,7 @@
 ## default is 0, but set to something like 19 if you want to lower the priority.
 ##
 ## Default:
-# nicelevel = 0
+nicelevel = {{ client.target.nice|default(0) }}
 
 ## test the connection? set to no to skip the test if the remote host is alive.
 ## if 'desturl' is set below, 'testconnect' must be set to 'no' for now.
@@ -148,7 +148,7 @@
 ## if incremental = no, perform a full backup in order to start a new backup set
 ##
 ## Default:
-# incremental = yes
+incremental = {% if source.target.incremental|default(True) %}yes{% else %}no{% endif %}
 
 ## how many days of incremental backups before doing a full backup again ;
 ## default is 30 days (one can also use the time format of duplicity).
@@ -156,14 +156,14 @@
 ## only perform incremental backups.
 ##
 ## Default:
-# increments = 30
+increments = {{ if source.target.increments|default(30) }}
 
 ## how many days of data to keep ; default is 60 days.
 ## (you can also use the time format of duplicity)
 ## 'keep = yes' means : do not delete old data, the remote host will take care of this
 ##
 ## Default:
-# keep = 60
+keep = {{ source.target.keep|default(60) }}
 
 # for how many full backups do we keep their later increments ;
 # default is all (keep all increments).
@@ -216,7 +216,7 @@
 ## bandwidthlimit = 128
 ##
 ## Default:
-# bandwidthlimit = 0
+bandwidthlimit = {{ client.target.bandwidthlimit|default(0) }}
 
 ## duplicity < 0.6.17
 ## ------------------