1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py
index 58aed5fd96..148eeb19dc 100644
--- a/synapse/http/matrixfederationclient.py
+++ b/synapse/http/matrixfederationclient.py
@@ -176,7 +176,7 @@ class MatrixFederationHttpClient(object):
 
     def __init__(self, hs, tls_client_options_factory):
         self.hs = hs
-        self.signing_key = hs.config.signing_key[0]
+        self.signing_key = hs.signing_key
         self.server_name = hs.hostname
 
         real_reactor = hs.get_reactor()