diff --git a/packages/core/ui/dialogs/dialogs-common.ts b/packages/core/ui/dialogs/dialogs-common.ts
index 36fc918d39..fad0152b77 100644
--- a/packages/core/ui/dialogs/dialogs-common.ts
+++ b/packages/core/ui/dialogs/dialogs-common.ts
@@ -3,8 +3,11 @@ import { View } from '../core/view';
 import { Color } from '../../color';
 import { Page } from '../page';
 import { Frame } from '../frame';
+import { CSSUtils } from '../../css/system-classes';
 import { isObject, isString } from '../../utils/types';
 
+const CSS_CLASS = `${CSSUtils.CLASS_PREFIX}dialog-item`;
+
 export namespace DialogStrings {
 	export const STRING = 'string';
 	export const PROMPT = 'Prompt';
@@ -271,6 +274,7 @@ export function getButtonColors(): { color: Color; backgroundColor: Color } {
 	if (!button) {
 		const Button = require('../button').Button;
 		button = new Button();
+		button.className = CSS_CLASS;
 		if (__APPLE__) {
 			button._setupUI(<any>{});
 		}
@@ -290,6 +294,7 @@ export function getLabelColor(): Color {
 	if (!label) {
 		const Label = require('../label').Label;
 		label = new Label();
+		label.className = CSS_CLASS;
 		if (__APPLE__) {
 			label._setupUI(<any>{});
 		}
@@ -307,6 +312,7 @@ export function getTextFieldColor(): Color {
 	if (!textField) {
 		const TextField = require('../text-field').TextField;
 		textField = new TextField();
+		textField.className = CSS_CLASS;
 		if (__APPLE__) {
 			textField._setupUI(<any>{});
 		}