diff --git a/shared/js/background/components/email-autofill.js b/shared/js/background/components/email-autofill.js
index a423007bbb..4b4bb34c9d 100644
--- a/shared/js/background/components/email-autofill.js
+++ b/shared/js/background/components/email-autofill.js
@@ -104,7 +104,7 @@ export default class EmailAutofill {
             .then(async response => {
                 if (response.ok) {
                     return response.json().then(async ({ address }) => {
-                        if (!/^[a-z0-9]+$/.test(address)) throw new Error('Invalid address')
+                        if (!/^[a-z0-9-]+$/.test(address)) throw new Error('Invalid address')
 
                         this.settings.updateSetting('userData', Object.assign(userData, { nextAlias: `${address}` }))
                         // Reset attempts