diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index 25dab6f9c0..e6ad35aa16 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -41,7 +41,7 @@ logger = logging.getLogger(__name__)
 
 
 class RegisterRestServlet(RestServlet):
-    PATTERN = client_v2_pattern("/register*")
+    PATTERN = client_v2_pattern("/register")
 
     def __init__(self, hs):
         super(RegisterRestServlet, self).__init__()