diff --git a/tests/test_mandatory.py b/tests/test_mandatory.py
index 165bcec..200fa88 100644
--- a/tests/test_mandatory.py
+++ b/tests/test_mandatory.py
@@ -470,7 +470,9 @@ def test_mandatory_follower():
     cfg = Config(descr)
     cfg.property.read_only()
     assert cfg.option('ip_admin_eth0.ip_admin_eth0').value.get() == []
-    #
+    assert cfg.value.dict() == {'ip_admin_eth0.ip_admin_eth0': [],
+                                'ip_admin_eth0.netmask_admin_eth0': []}
+    
     cfg.property.read_write()
     cfg.option('ip_admin_eth0.ip_admin_eth0').value.set(['ip'])
     cfg.property.read_only()
@@ -488,6 +490,8 @@ def test_mandatory_follower():
     cfg.property.read_only()
     assert cfg.option('ip_admin_eth0.ip_admin_eth0').value.get() == ['ip']
     assert cfg.option('ip_admin_eth0.netmask_admin_eth0', 0).value.get() == 'ip'
+    assert cfg.value.dict() == {'ip_admin_eth0.ip_admin_eth0': ['ip'],
+                                'ip_admin_eth0.netmask_admin_eth0': ['ip']}
 
 
 def test_mandatory_warnings_follower():
diff --git a/tiramisu/setting.py b/tiramisu/setting.py
index f8664c6..68491a8 100644
--- a/tiramisu/setting.py
+++ b/tiramisu/setting.py
@@ -54,9 +54,13 @@ permissive
 mandatory
     should set value for option with this properties if 'mandatory' is set in
     config
+    example: 'a', ['a'], [None] are valid
+             None, [] are not valid
 
 empty
     raise mandatory PropertiesOptionError if multi or leader have empty value
+    example: ['a'] is valid
+             [None] is not valid
 
 unique
     raise ValueError if a value is set twice or more in a multi Option
@@ -702,10 +706,15 @@ class Settings(object):
                            option_bag):
         if 'mandatory' in option_bag.config_bag.properties:
             values = option_bag.config_bag.context.cfgimpl_get_values()
+            if option_bag.option.impl_is_follower():
+                force_allow_empty_list = True
+            else:
+                force_allow_empty_list = False
             if not ('permissive' in option_bag.config_bag.properties and
                     'mandatory' in option_bag.config_bag.permissives) and \
                     'mandatory' in option_bag.properties and values.isempty(option_bag.option,
                                                                                  value,
+                                                                                 force_allow_empty_list=force_allow_empty_list,
                                                                                  index=option_bag.index):
                 raise PropertiesOptionError(option_bag,
                                             ['mandatory'],