diff --git a/inventory/group_vars/taskotron-prod b/inventory/group_vars/taskotron-prod
index abf3875664..6bea13e847 100644
--- a/inventory/group_vars/taskotron-prod
+++ b/inventory/group_vars/taskotron-prod
@@ -61,7 +61,7 @@ public_artifacts_dir: /srv/taskotron/artifacts
 cgit_root_title: "Taskotron Git Mirror"
 
 # increase the max life of artifacts
-artifacts_max_life: '180d'
+artifacts_max_life: '180'
 
 ############################################################
 # buildbot details
diff --git a/roles/taskotron/taskotron-master/defaults/main.yml b/roles/taskotron/taskotron-master/defaults/main.yml
index 73e6713659..b3f4aa66d7 100644
--- a/roles/taskotron/taskotron-master/defaults/main.yml
+++ b/roles/taskotron/taskotron-master/defaults/main.yml
@@ -1,3 +1,3 @@
 ---
-artifacts_max_life: '120d'
-buildmaster_max_life: '120d'
+artifacts_max_life: '120'
+buildmaster_max_life: '120'