diff --git a/addons/web/static/src/js/views/kanban/kanban_column.js b/addons/web/static/src/js/views/kanban/kanban_column.js
index d39a3b280e1..0e50e37194f 100644
--- a/addons/web/static/src/js/views/kanban/kanban_column.js
+++ b/addons/web/static/src/js/views/kanban/kanban_column.js
@@ -41,7 +41,7 @@ var KanbanColumn = Widget.extend({
         this.data = data;
 
         var value = data.value;
-        this.id = data.res_id || value;
+        this.id = data.res_id;
         this.folded = !data.isOpen;
         this.has_active_field = 'active' in data.fields;
         this.fields = data.fields;
diff --git a/addons/web/static/src/js/views/kanban/kanban_renderer_mobile.js b/addons/web/static/src/js/views/kanban/kanban_renderer_mobile.js
index e2b08fc0da9..ce487af4b7a 100644
--- a/addons/web/static/src/js/views/kanban/kanban_renderer_mobile.js
+++ b/addons/web/static/src/js/views/kanban/kanban_renderer_mobile.js
@@ -107,8 +107,9 @@ KanbanRenderer.include({
                 var updateFunc = animate ? 'animate' : 'css';
                 self.$('.o_kanban_mobile_tab').removeClass('o_current');
                 _.each(self.widgets, function (column, index) {
-                    var $column = self.$('.o_kanban_group[data-id=' + column.id + ']');
-                    var $tab = self.$('.o_kanban_mobile_tab[data-id=' + column.id + ']');
+                    var columnID = column.id || column.db_id;
+                    var $column = self.$('.o_kanban_group[data-id="' + columnID + '"]');
+                    var $tab = self.$('.o_kanban_mobile_tab[data-id="' + columnID + '"]');
                     if (index === moveToIndex - 1) {
                         $column[updateFunc]({left: '-100%'});
                         $tab[updateFunc]({left: '0%'});
diff --git a/addons/web/static/src/xml/kanban.xml b/addons/web/static/src/xml/kanban.xml
index 1cf5e6d34ec..d6428b7296a 100644
--- a/addons/web/static/src/xml/kanban.xml
+++ b/addons/web/static/src/xml/kanban.xml
@@ -9,7 +9,7 @@
 </t>
 
 <t t-name="KanbanView.Group">
-    <div t-attf-class="o_kanban_group#{widget.data_records.length == 0 ? ' o_kanban_no_records' : ''}" t-att-data-id="widget.id">
+    <div t-attf-class="o_kanban_group#{widget.data_records.length == 0 ? ' o_kanban_no_records' : ''}" t-att-data-id="widget.id or widget.db_id">
         <div class="o_kanban_header">
             <div class="o_kanban_header_title" t-att-title="widget.data_records.length + ' records'" data-delay="500">
                 <span class="o_column_title"><t t-esc="widget.title"/></span>
@@ -112,7 +112,7 @@
 <t t-name="KanbanView.MobileTabs">
     <div class="o_kanban_mobile_tabs">
         <t t-foreach="data" t-as="group">
-            <div class="o_kanban_mobile_tab" t-att-data-id="group.res_id">
+            <div class="o_kanban_mobile_tab" t-att-data-id="group.res_id or group.id">
                 <span class="o_column_title"><t t-esc="group.value"/></span>
             </div>
         </t>
diff --git a/addons/web/static/tests/views/kanban_mobile_tests.js b/addons/web/static/tests/views/kanban_mobile_tests.js
index d777f5bd87b..e061ff14b04 100644
--- a/addons/web/static/tests/views/kanban_mobile_tests.js
+++ b/addons/web/static/tests/views/kanban_mobile_tests.js
@@ -26,6 +26,7 @@ QUnit.module('Views', {
                     {id: 2, bar: true, foo: "blip", int_field: 9, qux: 13, product_id: 5, state: "def", category_ids: [6]},
                     {id: 3, bar: true, foo: "gnap", int_field: 17, qux: -3, product_id: 3, state: "ghi", category_ids: [7]},
                     {id: 4, bar: false, foo: "blip", int_field: -4, qux: 9, product_id: 5, state: "ghi", category_ids: []},
+                    {id: 5, bar: false, foo: "Hello \"World\"! #peace_n'_love", int_field: -9, qux: 10, state: "jkl", category_ids: []},
                 ]
             },
             product: {
@@ -66,6 +67,7 @@ QUnit.module('Views', {
                         '<div><field name="foo"/></div>' +
                     '</t></templates>' +
                 '</kanban>',
+            domain: [['product_id', '!=', false]],
             groupBy: ['product_id'],
         });
 
@@ -95,6 +97,33 @@ QUnit.module('Views', {
         assert.ok(kanban.$('.o_kanban_group:nth(1) >  div:nth(1)').hasClass('o_kanban_quick_create'),
             "clicking on create should open the quick_create in the second column");
 
+        kanban.destroy();
+    });
+    QUnit.test('mobile grouped on many2one rendering', function (assert) {
+        assert.expect(3);
+
+        var kanban = createView({
+            View: KanbanView,
+            model: 'partner',
+            data: this.data,
+            arch: '<kanban class="o_kanban_test o_kanban_small_column">' +
+                    '<templates><t t-name="kanban-box">' +
+                        '<div><field name="foo"/></div>' +
+                    '</t></templates>' +
+                '</kanban>',
+            groupBy: ['foo'],
+        });
+
+        // basic rendering tests
+        assert.strictEqual(kanban.$('.o_kanban_group').length, 4, "should have 4 columns" );
+        assert.strictEqual(kanban.$('.o_kanban_group[data-id^="partner_"]').length, 4,
+            "all column should have framework unique identifiers");
+
+        // kanban column should match kanban mobile tabs
+        var column_ids = kanban.$('.o_kanban_group').map(function(){ return $(this).data('id') }).get();
+        var tab_ids = kanban.$('.o_kanban_mobile_tab').map(function(){ return $(this).data('id') }).get();
+        assert.deepEqual(column_ids, tab_ids, "all columns data-id should match mobile tabs data-id");
+
         kanban.destroy();
     });
 });
diff --git a/addons/web/static/tests/views/kanban_tests.js b/addons/web/static/tests/views/kanban_tests.js
index 70e60b37bd5..8155cb1957e 100644
--- a/addons/web/static/tests/views/kanban_tests.js
+++ b/addons/web/static/tests/views/kanban_tests.js
@@ -1071,7 +1071,7 @@ QUnit.module('Views', {
         assert.strictEqual(kanban.$('.o_kanban_group:last').data('id'), 3,
             'last column should now be [3, "hello"]');
         assert.strictEqual(kanban.$('.o_kanban_group').length, 2, "should still have two columns");
-        assert.ok(!kanban.$('.o_kanban_group:first').data('id'),
+        assert.ok(!_.isNumber(kanban.$('.o_kanban_group:first').data('id')),
             'first column should have no id (Undefined column)');
         // check available actions on 'Undefined' column
         assert.ok(kanban.$('.o_kanban_group:first .o_kanban_toggle_fold').length,