diff --git a/mailpoet/assets/js/src/common/premium-key/key-messages/mss-messages.tsx b/mailpoet/assets/js/src/common/premium-key/key-messages/mss-messages.tsx
index 31dc38ebfa..ac089dd7ee 100644
--- a/mailpoet/assets/js/src/common/premium-key/key-messages/mss-messages.tsx
+++ b/mailpoet/assets/js/src/common/premium-key/key-messages/mss-messages.tsx
@@ -1,9 +1,8 @@
 import classnames from 'classnames';
 import { __ } from '@wordpress/i18n';
-import ReactStringReplace from 'react-string-replace';
+import { createInterpolateElement } from '@wordpress/element';
 import { useSelector } from 'settings/store/hooks';
 import { MssStatus } from 'settings/store/types';
-import { getLinkRegex } from '../../utils';
 
 type MssActiveMessageProps = { canUseSuccessClass: boolean };
 
@@ -25,17 +24,19 @@ function NotValidMessage({ message }: NotValidMessageProps) {
   return (
     <div className="mailpoet_error">
       {message
-        ? ReactStringReplace(message, getLinkRegex(), (text) => (
-            <a
-              className="mailpoet-link"
-              key={text}
-              href="https://kb.mailpoet.com/article/249-how-to-change-the-domain-associated-with-a-key"
-              rel="noopener noreferrer"
-              target="_blank"
-            >
-              {text}
-            </a>
-          ))
+        ? createInterpolateElement(message, {
+            a: (
+              <a
+                aria-label={message}
+                className="mailpoet-link"
+                href="https://kb.mailpoet.com/article/249-how-to-change-the-domain-associated-with-a-key"
+                rel="noopener noreferrer"
+                target="_blank"
+              >
+                &nbsp;
+              </a>
+            ),
+          })
         : __(
             'Your key is not valid for the MailPoet Sending Service',
             'mailpoet',
diff --git a/mailpoet/assets/js/src/common/premium-key/key-messages/premium-messages.tsx b/mailpoet/assets/js/src/common/premium-key/key-messages/premium-messages.tsx
index cd3355c936..a55d2496e8 100644
--- a/mailpoet/assets/js/src/common/premium-key/key-messages/premium-messages.tsx
+++ b/mailpoet/assets/js/src/common/premium-key/key-messages/premium-messages.tsx
@@ -1,13 +1,12 @@
 import classnames from 'classnames';
 import { __ } from '@wordpress/i18n';
-import ReactStringReplace from 'react-string-replace';
+import { createInterpolateElement } from '@wordpress/element';
 import { useSelector } from 'settings/store/hooks';
 import { PremiumStatus } from 'settings/store/types';
 import { Button } from 'common/button/button';
 import { PremiumModal } from 'common/premium-modal';
 import { useState } from 'react';
 import { Data } from '../../premium-modal/upgrade-info';
-import { getLinkRegex } from '../../utils';
 
 type ActiveMessageProps = { canUseSuccessClass: boolean };
 
@@ -70,17 +69,19 @@ function NotValidMessage({ message }: NotValidMessageProps) {
   return (
     <div className="mailpoet_error">
       {message
-        ? ReactStringReplace(message, getLinkRegex(), (text) => (
-            <a
-              className="mailpoet-link"
-              key={text}
-              href="https://kb.mailpoet.com/article/249-how-to-change-the-domain-associated-with-a-key"
-              rel="noopener noreferrer"
-              target="_blank"
-            >
-              {text}
-            </a>
-          ))
+        ? createInterpolateElement(message, {
+            a: (
+              <a
+                aria-label={message}
+                className="mailpoet-link"
+                href="https://kb.mailpoet.com/article/249-how-to-change-the-domain-associated-with-a-key"
+                rel="noopener noreferrer"
+                target="_blank"
+              >
+                &nbsp;
+              </a>
+            ),
+          })
         : __('Your key is not valid for MailPoet Premium', 'mailpoet')}
     </div>
   );
diff --git a/mailpoet/lib/API/JSON/v1/Services.php b/mailpoet/lib/API/JSON/v1/Services.php
index 4d88020235..f518fea6d3 100644
--- a/mailpoet/lib/API/JSON/v1/Services.php
+++ b/mailpoet/lib/API/JSON/v1/Services.php
@@ -140,7 +140,7 @@ class Services extends APIEndpoint {
         $error = __('Your key is not valid for the MailPoet Sending Service', 'mailpoet');
         break;
       case Bridge::KEY_ALREADY_USED:
-        $error = __('Your MailPoet Sending Service key is already [link]used on another site[/link]', 'mailpoet');
+        $error = __('Your MailPoet Sending Service key is already <a>used on another site</a>', 'mailpoet'); // we will use createInterpolateElement to replace <a> element
         break;
       default:
         $code = !empty($result['code']) ? $result['code'] : Bridge::CHECK_ERROR_UNKNOWN;
@@ -209,7 +209,7 @@ class Services extends APIEndpoint {
         $error = __('Your key is not valid for MailPoet Premium', 'mailpoet');
         break;
       case Bridge::KEY_ALREADY_USED:
-        $error = __('Your Premium key is already [link]used on another site[/link]', 'mailpoet');
+        $error = __('Your Premium key is already <a>used on another site</a>', 'mailpoet'); // we will use createInterpolateElement to replace <a> element
         break;
       default:
         $code = !empty($result['code']) ? $result['code'] : Bridge::CHECK_ERROR_UNKNOWN;