diff --git a/templates/backup-check.service.j2 b/templates/backup-check.service.j2
index 75fd992b6b91eae0c21a339419d9d7f33c2a0fe7..8b1ca5fcc0d038a18d7632f0435787dda07a1cc8 100644
--- a/templates/backup-check.service.j2
+++ b/templates/backup-check.service.j2
@@ -6,5 +6,5 @@ OnFailure=status-email-root@%n.service
 Nice=19
 IOSchedulingClass=idle
 Type=simple
-ExecStart=/bin/flock --timeout {{ backups.jobs.check.lock_timeout }} /run/backup-client.flock /usr/local/bin/backup-check
+ExecStart=/usr/bin/flock --timeout {{ backups.jobs.check.lock_timeout }} /run/backup-client.flock /usr/local/bin/backup-check
 
diff --git a/templates/backup-retention.service.j2 b/templates/backup-retention.service.j2
index 1be14960cbeb1ac311cd9b6c9335ec1ba9d51316..049f64de55870ab364332a558d0d1ad3b3cc5b80 100644
--- a/templates/backup-retention.service.j2
+++ b/templates/backup-retention.service.j2
@@ -6,5 +6,5 @@ OnFailure=status-email-root@%n.service
 Nice=19
 IOSchedulingClass=idle
 Type=simple
-ExecStart=/bin/flock --timeout {{ backups.jobs.retention.lock_timeout }} /run/backup-client.flock /usr/local/bin/backup-retention
+ExecStart=/usr/bin/flock --timeout {{ backups.jobs.retention.lock_timeout }} /run/backup-client.flock /usr/local/bin/backup-retention
 
diff --git a/templates/backup-run.service.j2 b/templates/backup-run.service.j2
index aa78eb77f79ea1e2ad18f70a2cbae02bd5742c9d..7f5ff629a78993395ecf5791bc522e3a0102f5fa 100644
--- a/templates/backup-run.service.j2
+++ b/templates/backup-run.service.j2
@@ -6,5 +6,5 @@ OnFailure=status-email-root@%n.service
 Nice=19
 IOSchedulingClass=idle
 Type=simple
-ExecStart=/bin/flock --timeout {{ backups.jobs.run.lock_timeout }} /run/backup-client.flock /usr/local/bin/backup-full
+ExecStart=/usr/bin/flock --timeout {{ backups.jobs.run.lock_timeout }} /run/backup-client.flock /usr/local/bin/backup-full