diff --git a/addons/web/static/src/js/data.js b/addons/web/static/src/js/data.js
index ce85e0ac43f..bfe4506c679 100644
--- a/addons/web/static/src/js/data.js
+++ b/addons/web/static/src/js/data.js
@@ -834,7 +834,7 @@ instance.web.BufferedDataSet = instance.web.DataSetStatic.extend({
         }
         $.extend(cached.values, record.values);
         if (dirty)
-            this.on_change();
+            this.trigger("dataset_on_change");
         return $.Deferred().resolve(true).promise();
     },
     unlink: function(ids, callback, error_callback) {
@@ -848,7 +848,7 @@ instance.web.BufferedDataSet = instance.web.DataSetStatic.extend({
         this.to_write = _.reject(this.to_write, function(x) { return _.include(ids, x.id);});
         this.cache = _.reject(this.cache, function(x) { return _.include(ids, x.id);});
         this.set_ids(_.without.apply(_, [this.ids].concat(ids)));
-        this.on_change();
+        this.trigger("dataset_on_change");
         return $.async_when({result: true}).then(callback);
     },
     reset_ids: function(ids) {
@@ -859,8 +859,6 @@ instance.web.BufferedDataSet = instance.web.DataSetStatic.extend({
         this.cache = [];
         this.delete_all = false;
     },
-    on_change: function() {
-    },
     read_ids: function (ids, fields, options) {
         var self = this;
         var to_get = [];
@@ -947,7 +945,7 @@ instance.web.BufferedDataSet = instance.web.DataSetStatic.extend({
     },
     alter_ids: function(n_ids) {
         this._super(n_ids);
-        this.on_change();
+        this.trigger("dataset_on_change");
     },
 });
 instance.web.BufferedDataSet.virtual_id_regex = /^one2many_v_id_.*$/;
diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index afb5e258c0b..ab4b67353aa 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -3284,7 +3284,7 @@ instance.web.form.FieldOne2Many = instance.web.form.AbstractField.extend({
         this.dataset.o2m = this;
         this.dataset.parent_view = this.view;
         this.dataset.child_name = this.name;
-        this.dataset.on_change.add_last(function() {
+        this.dataset.on('dataset_on_change', this, function() {
             self.trigger_on_change();
         });
 
@@ -3581,7 +3581,7 @@ instance.web.form.One2ManyViewManager = instance.web.ViewManager.extend({
             create_function: function(data) {
                 return self.o2m.dataset.create(data).then(function(r) {
                     self.o2m.dataset.set_ids(self.o2m.dataset.ids.concat([r]));
-                    self.o2m.dataset.on_change();
+                    self.o2m.dataset.trigger("dataset_on_change");
                 });
             },
             write_function: function(id, data, options) {
@@ -3671,7 +3671,7 @@ instance.web.form.One2ManyListView = instance.web.ListView.extend({
                     create_function: function(data, callback, error_callback) {
                         return self.o2m.dataset.create(data).then(function(r) {
                             self.o2m.dataset.set_ids(self.o2m.dataset.ids.concat([r]));
-                            self.o2m.dataset.on_change();
+                            self.o2m.dataset.trigger("dataset_on_change");
                         }).then(callback, error_callback);
                     },
                     read_function: function() {