diff --git a/piker/fsp/_engine.py b/piker/fsp/_engine.py
index bbaa713b..bc55e154 100644
--- a/piker/fsp/_engine.py
+++ b/piker/fsp/_engine.py
@@ -91,7 +91,7 @@ async def fsp_compute(
     func_name: str,
     func: Callable,
 
-    attach_stream: bool = True,
+    attach_stream: bool = False,
     task_status: TaskStatus[None] = trio.TASK_STATUS_IGNORED,
 
 ) -> None: