diff --git a/addons/web/static/src/js/fields/relational_fields.js b/addons/web/static/src/js/fields/relational_fields.js
index af3467d8c82..5856b59455a 100644
--- a/addons/web/static/src/js/fields/relational_fields.js
+++ b/addons/web/static/src/js/fields/relational_fields.js
@@ -928,6 +928,7 @@ var FieldX2Many = AbstractField.extend({
      *                     did not agree to discard.
      */
     _saveLine: function (recordID) {
+        var self = this;
         var def = $.Deferred();
         var fieldNames = this.renderer.canBeSaved(recordID);
         if (fieldNames.length) {
@@ -939,7 +940,9 @@ var FieldX2Many = AbstractField.extend({
         } else {
             this.renderer.setRowMode(recordID, 'readonly').done(def.resolve.bind(def));
         }
-        return def;
+        return def.then(function () {
+            self.pager.updateState({ size: self.value.count });
+        });
     },
     /**
      * Parses the 'columnInvisibleFields' attribute to search for the domains
@@ -1177,7 +1180,20 @@ var FieldOne2Many = FieldX2Many.extend({
         return this._super.apply(this, arguments).then(function () {
             if (ev && ev.target === self && ev.data.changes && self.view.arch.tag === 'tree') {
                 if (ev.data.changes[self.name].operation === 'CREATE') {
-                    var index = self.editable === 'top' ? 0 : self.value.data.length - 1;
+                    var index = 0;
+                    if (self.editable !== 'top') {
+                        index = self.value.data.length - 1;
+                        // we consider that a new record, created in the bottom,
+                        // does not count as a record worth mentioning in the
+                        // pager, at least not until the line has been saved.
+                        // We prevent the pager from increasing its size, which
+                        // means that the pager is not displayed when we just
+                        // reach the limit.  For example, if limit is 3, if we
+                        // have 3 records, and we click on add, we will see the
+                        // 4 records on the same page, but we do not want a
+                        // pager.
+                        self.pager.updateState({ size: self.value.count - 1});
+                    }
                     var newID = self.value.data[index].id;
                     self.renderer.editRecord(newID);
                 }
diff --git a/addons/web/static/tests/fields/relational_fields_tests.js b/addons/web/static/tests/fields/relational_fields_tests.js
index dfafb58abd5..5891c5d1515 100644
--- a/addons/web/static/tests/fields/relational_fields_tests.js
+++ b/addons/web/static/tests/fields/relational_fields_tests.js
@@ -2077,7 +2077,7 @@ QUnit.module('relational_fields', {
             data: this.data,
             arch: '<form>' +
                     '<field name="p">' +
-                        '<tree editable="bttom">' +
+                        '<tree editable="bottom">' +
                             '<field name="trululu"/>' +
                         '</tree>' +
                     '</field>' +
@@ -3994,6 +3994,37 @@ QUnit.module('relational_fields', {
         form.destroy();
     });
 
+    QUnit.test('editable one2many list, pager is updated', function (assert) {
+        assert.expect(1);
+
+        this.data.turtle.records.push({id:4, turtle_foo: 'stephen hawking'});
+        this.data.partner.records[0].turtles = [1,2,3,4];
+
+        var form = createView({
+            View: FormView,
+            model: 'partner',
+            data: this.data,
+            arch: '<form string="Partners">' +
+                    '<field name="turtles">' +
+                        '<tree editable="bottom" limit="3">' +
+                            '<field name="turtle_foo"/>' +
+                        '</tree>' +
+                    '</field>' +
+                '</form>',
+            res_id: 1,
+        });
+
+        // add a record, then click in form view to confirm it
+        form.$buttons.find('.o_form_button_edit').click();
+        form.$('.o_field_x2many_list_row_add a').click();
+        form.$el.click();
+
+        assert.strictEqual(form.$('.o_cp_pager').text().trim(), '1-3 / 5',
+            "pager should display the correct total");
+        form.destroy();
+    });
+
+
     QUnit.test('one2many list (non editable): edition', function (assert) {
         assert.expect(12);
 
@@ -4302,6 +4333,34 @@ QUnit.module('relational_fields', {
         form.destroy();
     });
 
+    QUnit.test('editable one2many list, adding line when only one page', function (assert) {
+        assert.expect(1);
+
+        this.data.partner.records[0].turtles=[1,2,3];
+        var form = createView({
+            View: FormView,
+            model: 'partner',
+            data: this.data,
+            arch: '<form string="Partners">' +
+                    '<field name="turtles">' +
+                        '<tree editable="bottom" limit="3">' +
+                            '<field name="turtle_foo"/>' +
+                        '</tree>' +
+                    '</field>' +
+                '</form>',
+            res_id: 1,
+        });
+
+        // add a record, to reach the page size limit
+        form.$buttons.find('.o_form_button_edit').click();
+        form.$('.o_field_x2many_list_row_add a').click();
+
+        // the record currently being added should not count in the pager
+        assert.ok(!form.$('.o_cp_pager').is(':visible'),
+            "pager should not be visible");
+        form.destroy();
+    });
+
     QUnit.test('unselecting a line with missing required data', function (assert) {
         assert.expect(5);