diff --git a/glicid/services/parallel.scm b/glicid/services/parallel.scm
index 35413b9..4d41677 100644
--- a/glicid/services/parallel.scm
+++ b/glicid/services/parallel.scm
@@ -243,10 +243,9 @@
         (chown "/var/spool/slurmctld" (passwd:uid (getpwnam "slurm")) (passwd:gid (getpwnam "slurm")))
         (chown "/etc/slurm" (passwd:uid (getpwnam "slurm")) (passwd:gid (getpwnam "slurm")))
         (for-each (lambda (slurm-file)
-                    (chown slurm-file (passwd:uid (getpwnam "slurm")) (passwd:gid (getpwnam "slurm")))
-                  )
-                  (find-files "/etc/slurm")
-        )
+          (chown slurm-file (passwd:uid (getpwnam "slurm")) (passwd:gid (getpwnam "slurm")))
+          (chmod "0600" slurm-file)
+        )(find-files "/etc/slurm"))
         #t
     )
   )