diff --git a/identity-apps-core/apps/recovery-portal/src/main/webapp/self-registration-process.jsp b/identity-apps-core/apps/recovery-portal/src/main/webapp/self-registration-process.jsp
index 382966995ab..ae3bfd12a00 100644
--- a/identity-apps-core/apps/recovery-portal/src/main/webapp/self-registration-process.jsp
+++ b/identity-apps-core/apps/recovery-portal/src/main/webapp/self-registration-process.jsp
@@ -361,7 +361,7 @@
             }
             String domainName = application.getInitParameter(AUTO_LOGIN_COOKIE_DOMAIN);
             String hostName = ServiceURLBuilder.create().build().getProxyHostName();
-            String cookieDomain = IdentityUtil.isSubdomain(domainName, hostName) ? domainName : hostName;
+            String cookieDomain = IdentityUtil.isSubdomain(domainName, hostName) ? domainName : IdentityUtil.getRootDomain(hostName);
 
             JSONObject contentValueInJson = new JSONObject();
             contentValueInJson.put("username", tenantAwareUsername);