diff --git a/bind.spec b/bind.spec
index 42e0345..494c5e9 100644
--- a/bind.spec
+++ b/bind.spec
@@ -1023,7 +1023,7 @@ install -m 644 %{SOURCE43} ${RPM_BUILD_ROOT}%{_sysconfdir}/rwtab.d/named
 %pre
 if [ "$1" -eq 1 ]; then
   /usr/sbin/groupadd -g %{bind_gid} -f -r named >/dev/null 2>&1 || :;
-  /usr/sbin/useradd  -u %{bind_uid} -r -N -M -g named -s /bin/false -d /var/named -c Named named >/dev/null 2>&1 || :;
+  /usr/sbin/useradd  -u %{bind_uid} -r -N -M -g named -s /sbin/nologin -d /var/named -c Named named >/dev/null 2>&1 || :;
 fi;
 :;
 
@@ -1038,8 +1038,8 @@ if [ "$1" -eq 1 ]; then
   [ -e /etc/rndc.key ] && chmod 0640 /etc/rndc.key
 else
   # Upgrade, use invalid shell
-  if getent passwd named | grep ':/sbin/nologin$' >/dev/null; then
-    usermod -s /bin/false named
+  if getent passwd named | grep ':/bin/false$' >/dev/null; then
+    /sbin/usermod -s /sbin/nologin named
   fi
   # Checkconf will parse out comments
   if /usr/sbin/named-checkconf -p /etc/named.conf 2>/dev/null | grep -q named.iscdlv.key