diff --git a/odoo/addons/base/ir/ir_actions.py b/odoo/addons/base/ir/ir_actions.py
index 646615cb593..862d288ac5b 100644
--- a/odoo/addons/base/ir/ir_actions.py
+++ b/odoo/addons/base/ir/ir_actions.py
@@ -34,6 +34,7 @@ class IrActions(models.Model):
     binding_model_id = fields.Many2one('ir.model', ondelete='cascade',
                                        help="Setting a value makes this action available in the sidebar for the given model.")
     binding_type = fields.Selection([('action', 'Action'),
+                                     ('action_form_only', "Form-only"),
                                      ('report', 'Report')],
                                     required=True, default='action')
 
diff --git a/odoo/models.py b/odoo/models.py
index 1b0207e9eb9..202887a31be 100644
--- a/odoo/models.py
+++ b/odoo/models.py
@@ -1391,6 +1391,9 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
             resaction = [action
                          for action in bindings['action']
                          if view_type == 'tree' or not action.get('multi')]
+            resrelate = []
+            if view_type == 'form':
+                resrelate = bindings['action_form_only']
 
             for res in itertools.chain(resreport, resaction):
                 res['string'] = res['name']
@@ -1398,6 +1401,7 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
             result['toolbar'] = {
                 'print': resreport,
                 'action': resaction,
+                'relate': resrelate,
             }
         return result
 
diff --git a/odoo/tools/convert.py b/odoo/tools/convert.py
index 59e87d6ee32..97fb2be7330 100644
--- a/odoo/tools/convert.py
+++ b/odoo/tools/convert.py
@@ -427,11 +427,14 @@ form: module.record_id""" % (xml_id,)
 
         if rec.get('target'):
             res['target'] = rec.get('target','')
+        if rec.get('multi'):
+            res['multi'] = safe_eval(rec.get('multi', 'False'))
         if src_model:
             res['binding_model_id'] = self.env['ir.model']._get(src_model).id
             res['binding_type'] = 'report' if rec.get('key2') == 'client_print_multi' else 'action'
-        if rec.get('multi'):
-            res['multi'] = safe_eval(rec.get('multi', 'False'))
+            if rec.get('key2') in (None, 'client_action_relate'):
+                if not res.get('multi'):
+                    res['binding_type'] = 'action_form_only'
         id = self.env['ir.model.data']._update('ir.actions.act_window', self.module, res, xml_id, noupdate=self.isnoupdate(data_node), mode=self.mode)
         self.idref[xml_id] = int(id)