diff --git a/ghost/portal/src/utils/helpers.js b/ghost/portal/src/utils/helpers.js
index d99af91c03..83dbbe1d22 100644
--- a/ghost/portal/src/utils/helpers.js
+++ b/ghost/portal/src/utils/helpers.js
@@ -588,6 +588,13 @@ export const getMemberName = ({member}) => {
 
 export const getSupportAddress = ({site}) => {
     const {members_support_address: supportAddress} = site || {};
+
+    if (supportAddress.indexOf('@') < 0) {
+        const siteDomain = getSiteDomain({site});
+        const updatedDomain = siteDomain?.replace(/^(www)\.(?=[^/]*\..{2,5})/, '') || '';
+        return `${supportAddress}@${updatedDomain}`;
+    }
+
     if (supportAddress?.split('@')?.length > 1) {
         const [recipient, domain] = supportAddress?.split('@');
         const updatedDomain = domain?.replace(/^(www)\.(?=[^/]*\..{2,5})/, '') || '';
diff --git a/ghost/portal/src/utils/helpers.test.js b/ghost/portal/src/utils/helpers.test.js
index a2d7dc7014..84c33fa163 100644
--- a/ghost/portal/src/utils/helpers.test.js
+++ b/ghost/portal/src/utils/helpers.test.js
@@ -213,6 +213,16 @@ describe('Helpers - ', () => {
 
             expect(supportAddress).toBe('jamie@example.com');
         });
+
+        test('returns expected support address for default noreply value', () => {
+            let site = {
+                members_support_address: 'noreply',
+                url: 'https://www.example.com'
+            };
+            const supportAddress = getSupportAddress({site});
+
+            expect(supportAddress).toBe('noreply@example.com');
+        });
     });
 
     describe('getPriceIdFromPageQuery - ', () => {