diff --git a/frappe/__init__.py b/frappe/__init__.py
index 3b99b44b9e..70d9b692a7 100644
--- a/frappe/__init__.py
+++ b/frappe/__init__.py
@@ -14,7 +14,7 @@ import os, sys, importlib, inspect, json
 from .exceptions import *
 from .utils.jinja import get_jenv, get_template, render_template, get_email_from_template
 
-__version__ = '8.6.4'
+__version__ = '8.6.5'
 __title__ = "Frappe Framework"
 
 local = Local()
diff --git a/frappe/custom/doctype/customize_form/test_customize_form.js b/frappe/custom/doctype/customize_form/test_customize_form.js
new file mode 100644
index 0000000000..144d11a9ae
--- /dev/null
+++ b/frappe/custom/doctype/customize_form/test_customize_form.js
@@ -0,0 +1,31 @@
+// try and delete a standard row, it should fail
+
+QUnit.module('Customize Form');
+
+QUnit.test("test customize form", function(assert) {
+	assert.expect(2);
+	let done = assert.async();
+	frappe.run_serially([
+		() => frappe.set_route('Form', 'Customize Form'),
+		() => cur_frm.set_value('doc_type', 'ToDo'),
+
+		() => frappe.timeout(2),
+
+		() => assert.equal(cur_frm.doc.fields[1].fieldname, 'status'),
+
+		// open "status" row
+		() => cur_frm.fields_dict.fields.grid.grid_rows[1].toggle_view(),
+		() => frappe.timeout(0.5),
+
+		// try deleting it
+		() => $('.grid-delete-row:visible').click(),
+
+		() => frappe.timeout(0.5),
+		() => frappe.hide_msgprint(),
+		() => frappe.timeout(0.5),
+
+		// status still exists
+		() => assert.equal(cur_frm.doc.fields[1].fieldname, 'status'),
+		() => done()
+	]);
+});
diff --git a/frappe/public/js/frappe/form/grid_row.js b/frappe/public/js/frappe/form/grid_row.js
index 3ff9f85198..9326c03da7 100644
--- a/frappe/public/js/frappe/form/grid_row.js
+++ b/frappe/public/js/frappe/form/grid_row.js
@@ -68,15 +68,22 @@ frappe.ui.form.GridRow = Class.extend({
 					this.hide_form();
 				}
 
-				this.frm.script_manager.trigger("before_" + this.grid.df.fieldname + "_remove",
-					this.doc.doctype, this.doc.name);
-
-				//this.wrapper.toggle(false);
-				frappe.model.clear_doc(this.doc.doctype, this.doc.name);
-
-				this.frm.script_manager.trigger(this.grid.df.fieldname + "_remove",
-					this.doc.doctype, this.doc.name);
-				this.frm.dirty();
+				frappe.run_serially([
+					() => {
+						return this.frm.script_manager.trigger("before_" + this.grid.df.fieldname + "_remove",
+							this.doc.doctype, this.doc.name);
+					},
+					() => {
+						frappe.model.clear_doc(this.doc.doctype, this.doc.name);
+
+						this.frm.script_manager.trigger(this.grid.df.fieldname + "_remove",
+							this.doc.doctype, this.doc.name);
+						this.frm.dirty();
+					}
+				]).catch((e) => {
+					// aborted
+					console.trace(e); // eslint-disable-line
+				});
 			} else {
 				this.grid.df.data = this.grid.df.data.filter(function(d) {
 					return d.name !== me.doc.name;
diff --git a/frappe/public/js/legacy/form.js b/frappe/public/js/legacy/form.js
index b9f0d1538d..b431446fd3 100644
--- a/frappe/public/js/legacy/form.js
+++ b/frappe/public/js/legacy/form.js
@@ -720,6 +720,14 @@ _f.Frm.prototype._save = function(save_action, callback, btn, on_error, resolve)
 		resolve();
 	};
 
+	var fail = () => {
+		btn && $(btn).prop("disabled", false);
+		if(on_error) {
+			on_error();
+		}
+		resolve();
+	};
+
 	if(save_action != "Update") {
 		// validate
 		frappe.validated = true;
@@ -728,17 +736,13 @@ _f.Frm.prototype._save = function(save_action, callback, btn, on_error, resolve)
 			() => this.script_manager.trigger("before_save"),
 			() => {
 				if(!frappe.validated) {
-					btn && $(btn).prop("disabled", false);
-					if(on_error) {
-						on_error();
-					}
-					resolve();
+					fail();
 					return;
 				}
 
 				frappe.ui.form.save(me, save_action, after_save, btn);
 			}
-		]);
+		]).catch(fail);
 	} else {
 		frappe.ui.form.save(me, save_action, after_save, btn);
 	}
diff --git a/frappe/tests/ui/tests.txt b/frappe/tests/ui/tests.txt
index b94f64aa63..7c3c630da6 100644
--- a/frappe/tests/ui/tests.txt
+++ b/frappe/tests/ui/tests.txt
@@ -3,4 +3,5 @@ frappe/tests/ui/test_list/test_list_filter.js
 frappe/tests/ui/test_list/test_list_paging.js
 frappe/tests/ui/test_module_view.js
 frappe/tests/ui/test_calendar_view.js
-frappe/tests/ui/test_linked_with.js
\ No newline at end of file
+frappe/tests/ui/test_linked_with.js
+frappe/custom/doctype/customize_form/test_customize_form.js
\ No newline at end of file