diff --git a/spec/classes/redis_sentinel_spec.rb b/spec/classes/redis_sentinel_spec.rb
index f906e4d..4be9e4a 100644
--- a/spec/classes/redis_sentinel_spec.rb
+++ b/spec/classes/redis_sentinel_spec.rb
@@ -1,115 +1,156 @@
 require 'spec_helper'
 
 describe 'redis::sentinel' do
   on_supported_os.each do |os, facts|
     context "on #{os}" do
       let(:facts) { facts }
       let(:config_file_orig) do
         case facts[:osfamily]
         when 'Archlinux'
           '/etc/redis/redis-sentinel.conf.puppet'
         when 'Debian'
           '/etc/redis/redis-sentinel.conf.puppet'
         when 'Suse'
           '/etc/redis/redis-sentinel.conf.puppet'
         when 'FreeBSD'
           '/usr/local/etc/redis-sentinel.conf.puppet'
         when 'RedHat'
           '/etc/redis-sentinel.conf.puppet'
         end
       end
 
       let(:pidfile) do
         if facts[:operatingsystem] == 'Ubuntu'
           facts[:operatingsystemmajrelease] == '16.04' ? '/var/run/redis/redis-sentinel.pid' : '/var/run/sentinel/redis-sentinel.pid'
         elsif facts[:operatingsystem] == 'Debian'
           facts[:operatingsystemmajrelease] == '9' ? '/var/run/redis/redis-sentinel.pid' : '/run/sentinel/redis-sentinel.pid'
         else
           '/var/run/redis/redis-sentinel.pid'
         end
       end
 
       describe 'without parameters' do
         let(:expected_content) do
           <<CONFIG
 port 26379
 dir #{facts[:osfamily] == 'Debian' ? '/var/lib/redis' : '/tmp'}
 daemonize #{facts[:osfamily] == 'RedHat' ? 'no' : 'yes'}
 pidfile #{pidfile}
 
 sentinel monitor mymaster 127.0.0.1 6379 2
 sentinel down-after-milliseconds mymaster 30000
 sentinel parallel-syncs mymaster 1
 sentinel failover-timeout mymaster 180000
 
 loglevel notice
 logfile #{facts[:osfamily] == 'Debian' ? '/var/log/redis/redis-sentinel.log' : '/var/log/redis/sentinel.log'}
 CONFIG
         end
 
         it { is_expected.to create_class('redis::sentinel') }
 
         it {
           is_expected.to contain_file(config_file_orig).
             with_ensure('file').
             with_mode('0644').
             with_owner('redis').
             with_content(expected_content)
         }
 
         it {
           is_expected.to contain_service('redis-sentinel').
             with_ensure('running').
             with_enable('true')
         }
 
         if facts[:os]['family'] == 'Debian'
           it { is_expected.to contain_package('redis-sentinel').with_ensure('present') }
         else
           it { is_expected.not_to contain_package('redis-sentinel') }
         end
       end
 
       describe 'with custom parameters' do
         let(:params) do
           {
             auth_pass: 'password',
             sentinel_bind: '192.0.2.10',
             master_name: 'cow',
             down_after: 6000,
             working_dir: '/tmp/redis',
             log_file: '/tmp/barn-sentinel.log',
             failover_timeout: 28_000,
             notification_script: '/path/to/bar.sh',
             client_reconfig_script: '/path/to/foo.sh'
           }
         end
 
         let(:expected_content) do
           <<CONFIG
 bind 192.0.2.10
 port 26379
 dir /tmp/redis
 daemonize #{facts[:osfamily] == 'RedHat' ? 'no' : 'yes'}
 pidfile #{pidfile}
 
 sentinel monitor cow 127.0.0.1 6379 2
 sentinel down-after-milliseconds cow 6000
 sentinel parallel-syncs cow 1
 sentinel failover-timeout cow 28000
 sentinel auth-pass cow password
 sentinel notification-script cow /path/to/bar.sh
 sentinel client-reconfig-script cow /path/to/foo.sh
 
+loglevel notice
+logfile /tmp/barn-sentinel.log
+CONFIG
+        end
+
+        it { is_expected.to compile.with_all_deps }
+        it { is_expected.to create_class('redis::sentinel') }
+        it { is_expected.to contain_file(config_file_orig).with_content(expected_content) }
+      end
+
+      describe 'with array sentinel bind' do
+        let(:params) do
+          {
+            auth_pass: 'password',
+            sentinel_bind: ['192.0.2.10', '192.168.1.1'],
+            master_name: 'cow',
+            down_after: 6000,
+            working_dir: '/tmp/redis',
+            log_file: '/tmp/barn-sentinel.log',
+            failover_timeout: 28_000,
+            notification_script: '/path/to/bar.sh',
+            client_reconfig_script: '/path/to/foo.sh'
+          }
+        end
+
+        let(:expected_content) do
+          <<CONFIG
+bind 192.0.2.10 192.168.1.1
+port 26379
+dir /tmp/redis
+daemonize #{facts[:osfamily] == 'RedHat' ? 'no' : 'yes'}
+pidfile #{pidfile}
+
+sentinel monitor cow 127.0.0.1 6379 2
+sentinel down-after-milliseconds cow 6000
+sentinel parallel-syncs cow 1
+sentinel failover-timeout cow 28000
+sentinel auth-pass cow password
+sentinel notification-script cow /path/to/bar.sh
+sentinel client-reconfig-script cow /path/to/foo.sh
+
 loglevel notice
 logfile /tmp/barn-sentinel.log
 CONFIG
         end
 
         it { is_expected.to compile.with_all_deps }
         it { is_expected.to create_class('redis::sentinel') }
         it { is_expected.to contain_file(config_file_orig).with_content(expected_content) }
       end
     end
   end
 end