diff --git a/prefect_aws/workers/ecs_worker.py b/prefect_aws/workers/ecs_worker.py
index b3b54495..ec0b47af 100644
--- a/prefect_aws/workers/ecs_worker.py
+++ b/prefect_aws/workers/ecs_worker.py
@@ -126,6 +126,7 @@
   taskRoleArn: "{{ task_role_arn }}"
 tags: "{{ labels }}"
 taskDefinition: "{{ task_definition_arn }}"
+capacityProviderStrategy: "{{ capacity_provider_strategy }}"
 """
 
 # Create task run retry settings
@@ -372,7 +373,7 @@ class CapacityProvider(BaseModel):
     The capacity provider strategy to use when running the task.
     """
 
-    capacity_provider: str
+    capacityProvider: str
     weight: int
     base: int
 
@@ -436,7 +437,7 @@ class ECSVariables(BaseVariables):
         )
     )
     capacity_provider_strategy: Optional[List[CapacityProvider]] = Field(
-        default=None,
+        default_factory=List[CapacityProvider],
         description=(
             "The capacity provider strategy to use when running the task. This is only"
             "If a capacityProviderStrategy is specified, we will omit the launchType"
@@ -1466,8 +1467,12 @@ def _prepare_task_run_request(
 
         task_run_request.setdefault("taskDefinition", task_definition_arn)
         assert task_run_request["taskDefinition"] == task_definition_arn
+        capacityProviderStrategy = (
+            task_run_request.get("capacityProviderStrategy")
+            or configuration.capacity_provider_strategy
+        )
 
-        if "capacityProviderStrategy" in task_run_request:
+        if capacityProviderStrategy:
             # Should not be provided at all if capacityProviderStrategy is set, see https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API_RunTask.html#ECS-RunTask-request-capacityProviderStrategy  # noqa
             self._logger.warning(
                 "Removing launchType from task run request. Due to finding"
diff --git a/tests/workers/test_ecs_worker.py b/tests/workers/test_ecs_worker.py
index 9db3882e..a6112773 100644
--- a/tests/workers/test_ecs_worker.py
+++ b/tests/workers/test_ecs_worker.py
@@ -2026,9 +2026,6 @@ async def test_user_defined_capacity_provider_strategy(
             {"base": 0, "weight": 1, "capacityProvider": "r6i.large"}
         ],
     )
-
-    assert "launchType" not in configuration.task_run_request
-
     session = aws_credentials.get_boto3_session()
     ecs_client = session.client("ecs")