diff --git a/src/briar/api/constants.py b/src/briar/api/constants.py
index be7f24bf684542c2ea9ec225bc46dd5131326d55..10c7d9701977bce227edafb31cb7e82405f60b92 100644
--- a/src/briar/api/constants.py
+++ b/src/briar/api/constants.py
@@ -13,7 +13,7 @@ class Constants:
     _BRIAR_DIR = '.briar'
 
     _HOST = 'http://localhost:7000'
-    _VERSION_SUFFIX = 'v1'
+    _VERSION_SUFFIX = 'v1/'
 
     def get_auth_token(self):
         return join(Path.home(), self._BRIAR_DIR, self._BRIAR_AUTH_TOKEN)