diff --git a/addons/web/static/src/legacy/js/fields/basic_fields.js b/addons/web/static/src/legacy/js/fields/basic_fields.js
index 3d4df0cb0a1..179d2771686 100644
--- a/addons/web/static/src/legacy/js/fields/basic_fields.js
+++ b/addons/web/static/src/legacy/js/fields/basic_fields.js
@@ -695,6 +695,31 @@ var FieldDateRange = InputField.extend({
         }
         this._super.apply(this, arguments);
     },
+
+    //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+    /**
+     * Field widget is valid if value entered can convered to date/dateime value
+     * while parsing input value to date/datetime throws error then widget considered
+     * invalid
+     *
+     * @override
+     */
+    isValid: function () {
+        const value = this.mode === "readonly" ? this.value : this.$input.val();
+        try {
+            return field_utils.parse[this.formatType](value, this.field, { timezone: true }) || true;
+        } catch (error) {
+            return false;
+        }
+    },
+
+    //--------------------------------------------------------------------------
+    // Private
+    //--------------------------------------------------------------------------
+
     /**
      * Return the date written in the input, in UTC.
      *
@@ -702,7 +727,14 @@ var FieldDateRange = InputField.extend({
      * @returns {Moment|false}
      */
     _getValue: function () {
-        return field_utils.parse[this.formatType](this.$input.val(), this.field, { timezone: true });
+        try {
+            // user may enter manual value in input and it may not be parsed as date/datetime value
+            this.removeInvalidClass();
+            return field_utils.parse[this.formatType](this.$input.val(), this.field, { timezone: true });
+        } catch (error) {
+            this.setInvalidClass();
+            return false;
+        }
     },
 
     //--------------------------------------------------------------------------
diff --git a/addons/web/static/tests/legacy/fields/basic_fields_tests.js b/addons/web/static/tests/legacy/fields/basic_fields_tests.js
index fa7ed263804..aaf227863b5 100644
--- a/addons/web/static/tests/legacy/fields/basic_fields_tests.js
+++ b/addons/web/static/tests/legacy/fields/basic_fields_tests.js
@@ -3852,6 +3852,49 @@ QUnit.module('basic_fields', {
         form.destroy();
     });
 
+    QUnit.test('Daterange field manually input wrong value should show toaster', async function (assert) {
+        assert.expect(5);
+
+        this.data.partner.fields.date_end = { string: 'Date End', type: 'date' };
+        this.data.partner.records[0].date_end = '2017-02-08';
+
+        const form = await createView({
+            View: FormView,
+            model: 'partner',
+            data: this.data,
+            arch: `
+            <form>
+                <field name="date" widget="daterange" options="{'related_end_date': 'date_end'}"/>
+                <field name="date_end" widget="daterange" options="{'related_start_date': 'date'}"/>
+            </form>`,
+            interceptsPropagate: {
+                call_service: function (ev) {
+                    if (ev.data.service === 'notification') {
+                        assert.strictEqual(ev.data.method, 'notify');
+                        assert.strictEqual(ev.data.args[0].title, 'Invalid fields:');
+                        assert.strictEqual(ev.data.args[0].message, '<ul><li>A date</li></ul>');
+                    }
+                }
+            },
+        });
+
+        await testUtils.fields.editInput(form.$('.o_field_date_range:first'), 'blabla');
+        // click outside daterange field
+        await testUtils.dom.click(form.$el);
+        assert.hasClass(form.$('input[name=date]'), 'o_field_invalid',
+            "date field should be displayed as invalid");
+        // update input date with right value
+        await testUtils.fields.editInput(form.$('.o_field_date_range:first'), '02/08/2017');
+        assert.doesNotHaveClass(form.$('input[name=date]'), 'o_field_invalid',
+            "date field should not be displayed as invalid now");
+
+        // again enter wrong value and try to save should raise invalid fields value
+        await testUtils.fields.editInput(form.$('.o_field_date_range:first'), 'blabla');
+        await testUtils.form.clickSave(form);
+
+        form.destroy();
+    });
+
     QUnit.module('FieldDate');
 
     QUnit.test('date field: toggle datepicker [REQUIRE FOCUS]', async function (assert) {