1 files changed, 2 insertions, 2 deletions

diff --git a/Makefile-cert.mk b/Makefile-cert.mk
index d869999..b3b3ef5 100644
--- a/Makefile-cert.mk
+++ b/Makefile-cert.mk
@@ -9,13 +9,13 @@ QMAIL/control/servercert.pem:
         PATH=$$PATH:/usr/local/ssl/bin \
                 openssl req -new -x509 -nodes -days 366 -out $@ -keyout $@
         chmod 640 $@
-        chown `head -2 conf-users | tail -1`:`head -1 conf-groups` $@
+        chown `head -n 2 conf-users | tail -n -1`:`head -n 1 conf-groups` $@
 
 req.pem:
         PATH=$$PATH:/usr/local/ssl/bin openssl req \
                 -new -nodes -out $@ -keyout QMAIL/control/servercert.pem
         chmod 640 QMAIL/control/servercert.pem
-        chown `head -2 conf-users | tail -1`:`head -1 conf-groups` QMAIL/control/servercert.pem
+        chown `head -n 2 conf-users | tail -n -1`:`head -n 1 conf-groups` QMAIL/control/servercert.pem
         @echo
         @echo "Send req.pem to your CA to obtain signed_req.pem, and do:"
         @echo "cat signed_req.pem >> QMAIL/control/servercert.pem"