diff --git a/addons/web_kanban/static/src/js/kanban_view.js b/addons/web_kanban/static/src/js/kanban_view.js
index e95b97874a4..a7b29235772 100644
--- a/addons/web_kanban/static/src/js/kanban_view.js
+++ b/addons/web_kanban/static/src/js/kanban_view.js
@@ -73,7 +73,8 @@ var KanbanView = View.extend({
         this.grouped_by_m2o = undefined;
         this.relation = undefined;
         this.is_empty = undefined;
-        this.many2manys = [];
+        // Retrieve many2manys stored in the fields_view if it has already been processed
+        this.many2manys = this.fields_view.many2manys || [];
         this.m2m_context = {};
         this.widgets = [];
         this.data = undefined;
@@ -95,6 +96,13 @@ var KanbanView = View.extend({
             var child = this.fields_view.arch.children[i];
             if (child.tag === "templates") {
                 transform_qweb_template(child, this.fields_view, this.many2manys);
+                // transform_qweb_template(), among other things, identifies and processes the
+                // many2manys. Unfortunately, it modifies the fields_view in place and, as
+                // the fields_view is stored in the JS cache, the many2manys are only identified the
+                // first time the fields_view is processed. We thus store the identified many2manys
+                // on the fields_view, so that we can retrieve them later. A better fix would be to
+                // stop modifying shared resources in place.
+                this.fields_view.many2manys = this.many2manys;
                 this.qweb.add_template(utils.json_node_to_xml(child));
                 break;
             } else if (child.tag === 'field') {