diff --git a/ext/dapr-ext-workflow/dapr/ext/workflow/dapr_workflow_context.py b/ext/dapr-ext-workflow/dapr/ext/workflow/dapr_workflow_context.py
index 291c3225..96cab225 100644
--- a/ext/dapr-ext-workflow/dapr/ext/workflow/dapr_workflow_context.py
+++ b/ext/dapr-ext-workflow/dapr/ext/workflow/dapr_workflow_context.py
@@ -61,6 +61,8 @@ def call_child_workflow(self, workflow: Workflow, *,
         def wf(ctx: task.OrchestrationContext, inp: TInput):
             daprWfContext = DaprWorkflowContext(ctx)
             return workflow(daprWfContext, inp)
+        # copy workflow name so durabletask.worker can find the orchestrator in its registry
+        wf.__name__ = workflow.__name__
         return self.__obj.call_sub_orchestrator(wf, input=input, instance_id=instance_id)
 
     def wait_for_external_event(self, name: str) -> task.Task: