diff --git a/freqtrade/exchange/exchange.py b/freqtrade/exchange/exchange.py
index 65f15b98b..b3098d3d4 100644
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -935,6 +935,7 @@ class Exchange:
 
     def create_order(
         self,
+        *,
         pair: str,
         ordertype: str,
         side: str,
@@ -967,7 +968,7 @@ class Exchange:
                 side,
                 amount,
                 rate_for_order,
-                params
+                params,
             )
             self._log_exchange_response('create_order', order)
             order = self._order_contracts_to_amount(order)
diff --git a/tests/exchange/test_exchange.py b/tests/exchange/test_exchange.py
index a3167573c..ad24efc35 100644
--- a/tests/exchange/test_exchange.py
+++ b/tests/exchange/test_exchange.py
@@ -1271,7 +1271,8 @@ def test_buy_prod(default_conf, mocker, exchange_name):
         side="buy",
         amount=1,
         rate=200,
-        time_in_force=time_in_force)
+        time_in_force=time_in_force
+    )
     assert api_mock.create_order.call_args[0][0] == 'ETH/BTC'
     assert api_mock.create_order.call_args[0][1] == order_type
     assert api_mock.create_order.call_args[0][2] == 'buy'
@@ -2532,7 +2533,14 @@ def test_cancel_order_dry_run(default_conf, mocker, exchange_name):
     assert exchange.cancel_order(order_id='123', pair='TKN/BTC') == {}
     assert exchange.cancel_stoploss_order(order_id='123', pair='TKN/BTC') == {}
 
-    order = exchange.create_order('ETH/BTC', 'limit', "buy", 5, 0.55, 'gtc')
+    order = exchange.create_order(
+        pair='ETH/BTC',
+        ordertype='limit',
+        side='buy',
+        amount=5,
+        rate=0.55,
+        time_in_force='gtc',
+    )
 
     cancel_order = exchange.cancel_order(order_id=order['id'], pair='ETH/BTC')
     assert order['id'] == cancel_order['id']