oops, context.tls_certificate_chain_file() expects a file, not a certificate.

1 files changed, 2 insertions, 2 deletions

diff --git a/synapse/crypto/context_factory.py b/synapse/crypto/context_factory.py

index 324dc31fe4..d515007ca0 100644
--- a/synapse/crypto/context_factory.py
+++ b/synapse/crypto/context_factory.py
@@ -38,8 +38,8 @@ class ServerContextFactory(ssl.ContextFactory):
             logger.exception("Failed to enable elliptic curve for TLS")
         context.set_options(SSL.OP_NO_SSLv2 | SSL.OP_NO_SSLv3)
         context.use_certificate(config.tls_certificate)
-        if config.tls_certificate_chain:
-            context.use_certificate_chain_file(config.tls_certificate_chain)
+        if config.tls_certificate_chain_file:
+            context.use_certificate_chain_file(config.tls_certificate_chain_file)
 
         if not config.no_tls:
             context.use_privatekey(config.tls_private_key)