diff --git a/airflow/providers/amazon/aws/operators/ecs.py b/airflow/providers/amazon/aws/operators/ecs.py
index 0c893176aa53d..0a329df37af12 100644
--- a/airflow/providers/amazon/aws/operators/ecs.py
+++ b/airflow/providers/amazon/aws/operators/ecs.py
@@ -266,11 +266,11 @@ def _start_task(self):
         self.arn = response['tasks'][0]['taskArn']
 
     def _try_reattach_task(self):
-        task_def_resp = self.client.describe_task_definition(self.task_definition)
+        task_def_resp = self.client.describe_task_definition(taskDefinition=self.task_definition)
         ecs_task_family = task_def_resp['taskDefinition']['family']
 
         list_tasks_resp = self.client.list_tasks(
-            cluster=self.cluster, launchType=self.launch_type, desiredStatus='RUNNING', family=ecs_task_family
+            cluster=self.cluster, desiredStatus='RUNNING', family=ecs_task_family
         )
         running_tasks = list_tasks_resp['taskArns']
 
diff --git a/tests/providers/amazon/aws/operators/test_ecs.py b/tests/providers/amazon/aws/operators/test_ecs.py
index cf4049e49face..9ad19563fd40d 100644
--- a/tests/providers/amazon/aws/operators/test_ecs.py
+++ b/tests/providers/amazon/aws/operators/test_ecs.py
@@ -340,11 +340,9 @@ def test_reattach_successful(self, launch_type, tags, start_mock, check_mock, wa
         if tags:
             extend_args['tags'] = [{'key': k, 'value': v} for (k, v) in tags.items()]
 
-        client_mock.describe_task_definition.assert_called_once_with('t')
+        client_mock.describe_task_definition.assert_called_once_with(taskDefinition='t')
 
-        client_mock.list_tasks.assert_called_once_with(
-            cluster='c', launchType=launch_type, desiredStatus='RUNNING', family='f'
-        )
+        client_mock.list_tasks.assert_called_once_with(cluster='c', desiredStatus='RUNNING', family='f')
 
         start_mock.assert_not_called()
         wait_mock.assert_called_once_with()