diff --git a/client/utils/reduxFormUtils.js b/client/utils/reduxFormUtils.js
index cb2d88b495..085e37cae7 100644
--- a/client/utils/reduxFormUtils.js
+++ b/client/utils/reduxFormUtils.js
@@ -62,8 +62,8 @@ export function validateSettings(formProps) {
 
 export function validateLogin(formProps) {
   const errors = {};
-  if (!formProps.email) {
-    errors.email = i18n.t('ReduxFormUtils.errorEmptyEmail');
+  if (!formProps.email && !formProps.username) {
+    errors.email = i18n.t('ReduxFormUtils.errorEmptyEmailorUserName');
   }
   if (!formProps.password) {
     errors.password = i18n.t('ReduxFormUtils.errorEmptyPassword');
diff --git a/translations/locales/en-US/translations.json b/translations/locales/en-US/translations.json
index 5abbb3c3aa..59e6bcbaad 100644
--- a/translations/locales/en-US/translations.json
+++ b/translations/locales/en-US/translations.json
@@ -334,6 +334,7 @@
   "ReduxFormUtils": {
     "errorInvalidEmail": "Please enter a valid email address",
     "errorEmptyEmail": "Please enter an email",
+    "errorEmptyEmailorUserName": "Please enter an email or username",
     "errorPasswordMismatch": "Passwords must match",
     "errorEmptyPassword": "Please enter a password",
     "errorShortPassword": "Password must be at least 6 characters",