diff --git a/synapse/config/emailconfig.py b/synapse/config/emailconfig.py
index b239619c9..90bdd08f0 100644
--- a/synapse/config/emailconfig.py
+++ b/synapse/config/emailconfig.py
@@ -65,7 +65,7 @@ class EmailConfig(Config):
             self.email_template_dir = email_config["template_dir"]
             self.email_notif_template_html = email_config["notif_template_html"]
             self.email_notif_template_text = email_config["notif_template_text"]
-            self.email_notifs_for_new_users = email_config.get(
+            self.email_notif_for_new_users = email_config.get(
                 "notif_for_new_users", True
             )
             if "app_name" in email_config:
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index ad0438355..1ecc02d94 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -221,7 +221,7 @@ class RegisterRestServlet(RestServlet):
                     # notifs are set up on a home server)
                     if (
                         self.hs.config.email_enable_notifs and
-                        self.hs.config.email_notifs_for_new_users
+                        self.hs.config.email_notif_for_new_users
                     ):
                         # Pull the ID of the access token back out of the db
                         # It would really make more sense for this to be passed