diff --git a/tests/rpc/test_rpc_apiserver.py b/tests/rpc/test_rpc_apiserver.py
index 9aa965da2..9a7bdfef6 100644
--- a/tests/rpc/test_rpc_apiserver.py
+++ b/tests/rpc/test_rpc_apiserver.py
@@ -52,6 +52,7 @@ def botclient(default_conf, mocker):
     try:
         apiserver = ApiServer(default_conf)
         apiserver.add_rpc_handler(rpc)
+        apiserver.start_api()
         yield ftbot, TestClient(apiserver.app)
         # Cleanup ... ?
     finally:
@@ -332,6 +333,7 @@ def test_api_run(default_conf, mocker, caplog):
     apiserver = ApiServer(default_conf)
     apiserver.add_rpc_handler(RPC(get_patched_freqtradebot(mocker, default_conf)))
 
+    apiserver.start_api()
     assert server_mock.call_count == 1
     assert apiserver._config == default_conf
     apiserver.start_api()
@@ -406,6 +408,7 @@ def test_api_cleanup(default_conf, mocker, caplog):
 
     apiserver = ApiServer(default_conf)
     apiserver.add_rpc_handler(RPC(get_patched_freqtradebot(mocker, default_conf)))
+    apiserver.start_api()
 
     apiserver.cleanup()
     assert apiserver._server.cleanup.call_count == 1