diff --git a/ypy_websocket/ystore.py b/ypy_websocket/ystore.py
index d7855ac..f4ad417 100644
--- a/ypy_websocket/ystore.py
+++ b/ypy_websocket/ystore.py
@@ -80,7 +80,7 @@ async def start(self, *, task_status: TaskStatus[None] = TASK_STATUS_IGNORED):
         if self._starting:
             return
         else:
-            self._staring = True
+            self._starting = True
 
         if self._task_group is not None:
             raise RuntimeError("YStore already running")