diff --git a/src/common/connection.py b/src/common/connection.py
index 3dcf2ec48..e1551299d 100644
--- a/src/common/connection.py
+++ b/src/common/connection.py
@@ -159,6 +159,7 @@ class CommonConnection:
         self.archiving_supported = False
         self.archive_pref_supported = False
         self.roster_supported = True
+        self.blocking_supported = False
 
         self.muc_jid = {} # jid of muc server for each transport type
         self._stun_servers = [] # STUN servers of our jabber server
@@ -1576,11 +1577,20 @@ class Connection(CommonConnection, ConnectionHandlers):
 
     def block_contacts(self, contact_list, message):
         if not self.privacy_rules_supported:
+            if self.blocking_supported: #XEP-0191
+                iq = nbxmpp.Iq('set', xmlns='')
+                query = iq.setQuery(name='block')
+                query.setNamespace(nbxmpp.NS_BLOCKING)
+                for contact in contact_list:
+                    self.blocked_contacts.append(contact.jid)
+                    query.addChild(name='item', attrs={'jid': contact.jid})
+                self.connection.send(iq)
             return
         for contact in contact_list:
             self.send_custom_status('offline', message, contact.jid)
             new_rule = {'order': '1', 'type': 'jid', 'action': 'deny',
-                'value' : contact.jid, 'child': ['message', 'iq', 'presence-out']}
+                'value' : contact.jid, 'child': ['message', 'iq',
+                'presence-out']}
             self.blocked_list.append(new_rule)
             self.blocked_contacts.append(contact.jid)
         self.set_privacy_list('block', self.blocked_list)
@@ -1591,6 +1601,14 @@ class Connection(CommonConnection, ConnectionHandlers):
 
     def unblock_contacts(self, contact_list):
         if not self.privacy_rules_supported:
+            if self.blocking_supported: #XEP-0191
+                iq = nbxmpp.Iq('set', xmlns='')
+                query = iq.setQuery(name='unblock')
+                query.setNamespace(nbxmpp.NS_BLOCKING)
+                for contact in contact_list:
+                    self.blocked_contacts.append(contact.jid)
+                    query.addChild(name='item', attrs={'jid': contact.jid})
+                self.connection.send(iq)
             return
         self.new_blocked_list = []
         self.to_unblock = []
@@ -1831,6 +1849,8 @@ class Connection(CommonConnection, ConnectionHandlers):
                     self.archive_manual_supported = True
                 if nbxmpp.NS_ARCHIVE_PREF in obj.features:
                     self.archive_pref_supported = True
+                if nbxmpp.NS_BLOCKING in obj.features:
+                    self.blocking_supported = True
                 if nbxmpp.NS_CARBONS in obj.features and gajim.config.get_per(
                     'accounts', self.name, 'enable_message_carbons'):
                     # Server supports carbons, activate it
diff --git a/src/common/connection_handlers.py b/src/common/connection_handlers.py
index 298b2be05..80c82731f 100644
--- a/src/common/connection_handlers.py
+++ b/src/common/connection_handlers.py
@@ -80,6 +80,7 @@ METACONTACTS_ARRIVED = 'metacontacts_arrived'
 ROSTER_ARRIVED = 'roster_arrived'
 DELIMITER_ARRIVED = 'delimiter_arrived'
 PRIVACY_ARRIVED = 'privacy_arrived'
+BLOCKING_ARRIVED = 'blocking_arrived'
 PEP_CONFIG = 'pep_config'
 HAS_IDLE = True
 try:
@@ -562,8 +563,18 @@ class ConnectionVcard:
             if iq_obj.getType() != 'error':
                 self.privacy_rules_supported = True
                 self.get_privacy_list('block')
-            elif self.continue_connect_info:
-                if self.continue_connect_info[0] == 'invisible':
+            else:
+                if self.blocking_supported:
+                    iq = nbxmpp.Iq('get', xmlns='')
+                    query = iq.setQuery(name='blocklist')
+                    query.setNamespace(nbxmpp.NS_BLOCKING)
+                    id_ = self.connection.getAnID()
+                    iq.setID(id_)
+                    self.awaiting_answers[id_] = (BLOCKING_ARRIVED, )
+                    self.connection.send(iq)
+
+                if self.continue_connect_info and self.continue_connect_info[0]\
+                == 'invisible':
                     # Trying to login as invisible but privacy list not
                     # supported
                     self.disconnect(on_purpose=True)
@@ -576,6 +587,14 @@ class ConnectionVcard:
                     return
             # Ask metacontacts before roster
             self.get_metacontacts()
+        elif self.awaiting_answers[id_][0] == BLOCKING_ARRIVED:
+            if iq_obj.getType() == 'result':
+                list_node = iq_obj.getTag('blocklist')
+                if not list_node:
+                    return
+                self.blocked_contacts = []
+                for i in list_node.iterTags('item'):
+                    self.blocked_contacts.append(i.getAttr('jid'))
         elif self.awaiting_answers[id_][0] == PEP_CONFIG:
             if iq_obj.getType() == 'error':
                 return