1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index b747f80bc1..0f80dfdc43 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -1802,7 +1802,7 @@ class MacaroonGenerator:
         macaroon = pymacaroons.Macaroon(
             location=self.hs.config.server.server_name,
             identifier="key",
-            key=self.hs.config.macaroon_secret_key,
+            key=self.hs.config.key.macaroon_secret_key,
         )
         macaroon.add_first_party_caveat("gen = 1")
         macaroon.add_first_party_caveat("user_id = %s" % (user_id,))