diff --git a/mautrix_telegram/config.py b/mautrix_telegram/config.py
index 904f3a43..d9a24a2f 100644
--- a/mautrix_telegram/config.py
+++ b/mautrix_telegram/config.py
@@ -57,6 +57,9 @@ class Config(BaseBridgeConfig):
             base["appservice.address"] = f"{protocol}://{hostname}:{port}"
         else:
             copy("appservice.address")
+
+        copy("appservice.tls_cert")
+        copy("appservice.tls_key")
         copy("appservice.hostname")
         copy("appservice.port")
         copy("appservice.max_body_size")
diff --git a/mautrix_telegram/example-config.yaml b/mautrix_telegram/example-config.yaml
index 794f6d6e..70bc1111 100644
--- a/mautrix_telegram/example-config.yaml
+++ b/mautrix_telegram/example-config.yaml
@@ -13,6 +13,9 @@ homeserver:
 appservice:
     # The address that the homeserver can use to connect to this appservice.
     address: http://localhost:29317
+    # When using https:// the TLS certificate and key files for the address.
+    tls_cert: false
+    tls_key: false
 
     # The hostname and port where this appservice should listen.
     hostname: 0.0.0.0