diff --git a/addons/web/static/src/js/views/kanban/kanban_record.js b/addons/web/static/src/js/views/kanban/kanban_record.js
index 3bb0340d3fa..0bd38b44b02 100644
--- a/addons/web/static/src/js/views/kanban/kanban_record.js
+++ b/addons/web/static/src/js/views/kanban/kanban_record.js
@@ -179,8 +179,10 @@ var KanbanRecord = Widget.extend({
 
             if ((r.type === 'date' || r.type === 'datetime') && value) {
                 r.raw_value = value.toDate();
-            } else if (r.type === 'one2many' || r.type === 'many2one' || r.type === 'many2many') {
-                r.raw_value = value ? value.res_ids : [];
+            } else if (r.type === 'one2many' || r.type === 'many2many') {
+                r.raw_value = value.count ? value.res_ids : false;
+            } else if (r.type === 'many2one' ) {
+                r.raw_value = value.res_id || false;
             } else {
                 r.raw_value = value;
             }
diff --git a/addons/web/static/test/views/kanban_tests.js b/addons/web/static/test/views/kanban_tests.js
index 2a33cd3a9a8..5356fe42ffe 100644
--- a/addons/web/static/test/views/kanban_tests.js
+++ b/addons/web/static/test/views/kanban_tests.js
@@ -849,7 +849,38 @@ QUnit.module('Views', {
         kanban.destroy();
     });
 
-});
+    QUnit.test('evaluate conditions on relational fields', function (assert) {
+        assert.expect(3);
 
+        this.data.partner.records[0].product_id = false;
+        this.data.partner.records[0].category_ids = [6];
+
+        var kanban = createView({
+            View: KanbanView,
+            model: 'partner',
+            data: this.data,
+            arch: '<kanban class="o_kanban_test">' +
+                    '<field name="product_id"/>' +
+                    '<field name="category_ids"/>' +
+                    '<templates><t t-name="kanban-box">' +
+                        '<div>' +
+                        '<button t-if="!record.product_id.raw_value" class="btn_a">A</button>' +
+                        '<button t-if="!record.category_ids.raw_value" class="btn_b">B</button>' +
+                        '</div>' +
+                    '</t></templates>' +
+                '</kanban>',
+        });
+
+        assert.strictEqual($('.o_kanban_record:not(.o_kanban_ghost)').length, 4,
+            "there should be 4 records");
+        assert.strictEqual($('.o_kanban_record:not(.o_kanban_ghost) .btn_a').length, 1,
+            "only 1 of them should have the 'Action' button");
+        assert.strictEqual($('.o_kanban_record:not(.o_kanban_ghost) .btn_b').length, 3,
+            "only 3 of them should have the 'Action' button");
+
+        kanban.destroy();
+    });
+
+});
 
 });