diff --git a/hate_crack/api.py b/hate_crack/api.py
index c756fea..f40121b 100644
--- a/hate_crack/api.py
+++ b/hate_crack/api.py
@@ -277,7 +277,7 @@ class TransmissionSession:
                 "-f",
                 "-g",
                 self._cfg_dir,
-                "--rpc-port",
+                "--port",
                 str(self._port),
                 "--rpc-bind-address",
                 "127.0.0.1",
diff --git a/tests/test_api_downloads.py b/tests/test_api_downloads.py
index 9328f9c..ef27a5a 100644
--- a/tests/test_api_downloads.py
+++ b/tests/test_api_downloads.py
@@ -112,7 +112,7 @@ class TestTransmissionSession:
                 args = popen.call_args[0][0]
                 assert args[0] == "transmission-daemon"
                 assert "-f" in args
-                assert "--rpc-port" in args
+                assert "--port" in args
                 assert "12345" in args
                 assert "--no-auth" in args
                 assert "--download-dir" in args