diff --git a/app/lib/methods/index.ts b/app/lib/methods/index.ts
index 35b8cf512..7df26ec00 100644
--- a/app/lib/methods/index.ts
+++ b/app/lib/methods/index.ts
@@ -34,3 +34,4 @@ export * from './userPreferencesMethods';
 export * from './crashReport';
 export * from './parseSettings';
 export * from './subscribeRooms';
+export * from './serializeAsciiUrl';
diff --git a/app/lib/methods/serializeAsciiUrl.test.ts b/app/lib/methods/serializeAsciiUrl.test.ts
new file mode 100644
index 000000000..dec96a771
--- /dev/null
+++ b/app/lib/methods/serializeAsciiUrl.test.ts
@@ -0,0 +1,30 @@
+import { serializeAsciiUrl } from '.';
+
+const ASCIIUrl = 'https://чат24.рф';
+const NonASCIIUrl = 'open.rocket.chat';
+const ASCIIUrlSerialized = 'https://xn--24-6kc6exa.xn--p1ai';
+
+describe('Serialize ASCII url on ios', () => {
+	jest.mock('react-native', () => ({ Platform: { OS: 'ios' } }));
+	test('ASCII url', () => {
+		const result = serializeAsciiUrl(ASCIIUrl);
+		expect(result).toBe(ASCIIUrlSerialized);
+	});
+	test('Non ASCII url', () => {
+		const result = serializeAsciiUrl(NonASCIIUrl);
+		expect(result).toBe(NonASCIIUrl);
+	});
+});
+
+describe('Serialize ASCII url on android', () => {
+	jest.mock('react-native', () => ({ Platform: { OS: 'android' } }));
+	// By default android converts ASCII addresses
+	// test('ASCII url', () => {
+	// 	const result = serializeAsciiUrl(ASCIIUrl);
+	// 	expect(result).toBe('filename.png');
+	// });
+	test('Non ASCII url', () => {
+		const result = serializeAsciiUrl(NonASCIIUrl);
+		expect(result).toBe(NonASCIIUrl);
+	});
+});
diff --git a/app/lib/methods/serializeAsciiUrl.ts b/app/lib/methods/serializeAsciiUrl.ts
new file mode 100644
index 000000000..c9963049d
--- /dev/null
+++ b/app/lib/methods/serializeAsciiUrl.ts
@@ -0,0 +1,13 @@
+import * as uri from 'uri-js';
+
+import { isIOS } from './helpers';
+
+export const serializeAsciiUrl = (url: string): string => {
+	let newUrl = url;
+	const ascii = /^[ -~\t\n\r]+$/;
+	if (isIOS && !ascii.test(newUrl)) {
+		newUrl = uri.serialize(uri.parse(url));
+		newUrl = newUrl.charAt(newUrl.length - 1) === '/' ? newUrl.slice(0, -1) : newUrl;
+	}
+	return newUrl;
+};
diff --git a/app/views/NewServerView/index.tsx b/app/views/NewServerView/index.tsx
index f4589039a..f246d7f62 100644
--- a/app/views/NewServerView/index.tsx
+++ b/app/views/NewServerView/index.tsx
@@ -31,6 +31,7 @@ import { moderateScale, verticalScale } from './scaling';
 import SSLPinning from '../../lib/methods/helpers/sslPinning';
 import sharedStyles from '../Styles';
 import ServerInput from './ServerInput';
+import { serializeAsciiUrl } from '../../lib/methods';
 
 const styles = StyleSheet.create({
 	onboardingImage: {
@@ -257,8 +258,7 @@ class NewServerView extends React.Component<INewServerViewProps, INewServerViewS
 				url = `https://${url}`;
 			}
 		}
-
-		return url.replace(/\/+$/, '').replace(/\\/g, '/');
+		return serializeAsciiUrl(url.replace(/\/+$/, '').replace(/\\/g, '/'));
 	};
 
 	uriToPath = (uri: string) => uri.replace('file://', '');
diff --git a/package.json b/package.json
index 7829f0d86..c3a015060 100644
--- a/package.json
+++ b/package.json
@@ -133,6 +133,7 @@
 		"rn-root-view": "1.0.3",
 		"semver": "7.3.5",
 		"ua-parser-js": "^1.0.2",
+		"uri-js": "^4.4.1",
 		"url-parse": "1.5.10",
 		"use-deep-compare-effect": "1.6.1",
 		"xregexp": "5.0.2"
diff --git a/yarn.lock b/yarn.lock
index 265aaea04..cb3170660 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -18170,6 +18170,13 @@ uri-js@^4.2.2:
   dependencies:
     punycode "^2.1.0"
 
+uri-js@^4.4.1:
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.1.tgz#9b1a52595225859e55f669d928f88c6c57f2a77e"
+  integrity sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==
+  dependencies:
+    punycode "^2.1.0"
+
 urix@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"