diff --git a/templates/systemd/dar-backup.service b/templates/systemd/dar-backup.service
index 85c9f17..b0d1a23 100644
--- a/templates/systemd/dar-backup.service
+++ b/templates/systemd/dar-backup.service
@@ -4,6 +4,6 @@ StartLimitIntervalSec=120
 StartLimitBurst=1
 [Service]
 Type=oneshot
-TimeoutStartSec=infinity
+TimeoutSec=infinity
 RemainAfterExit=true
 ExecStart="@@DAR_BACKUP_DIR@@/bin/dar-backup.sh"
diff --git a/templates/systemd/dar-diff-backup.service b/templates/systemd/dar-diff-backup.service
index 3d52743..b96b8a9 100644
--- a/templates/systemd/dar-diff-backup.service
+++ b/templates/systemd/dar-diff-backup.service
@@ -4,6 +4,6 @@ StartLimitIntervalSec=120
 StartLimitBurst=1
 [Service]
 Type=oneshot
-TimeoutStartSec=infinity
+TimeoutSec=infinity
 RemainAfterExit=true
 ExecStart="@@DAR_BACKUP_DIR@@/bin/dar-diff-backup.sh"
diff --git a/templates/systemd/dar-inc-backup.service b/templates/systemd/dar-inc-backup.service
index e495276..456b37d 100644
--- a/templates/systemd/dar-inc-backup.service
+++ b/templates/systemd/dar-inc-backup.service
@@ -4,6 +4,6 @@ StartLimitIntervalSec=120
 StartLimitBurst=1
 [Service]
 Type=oneshot
-TimeoutStartSec=infinity
+TimeoutSec=infinity
 RemainAfterExit=true
 ExecStart="@@DAR_BACKUP_DIR@@/bin/dar-inc-backup.sh"