diff --git a/cbpi/extension/gpioactor/__init__.py b/cbpi/extension/gpioactor/__init__.py
index 8be45b9..c1e891d 100644
--- a/cbpi/extension/gpioactor/__init__.py
+++ b/cbpi/extension/gpioactor/__init__.py
@@ -105,7 +105,7 @@ class GPIOPWMActor(CBPiActor):
         return self.state
     
     async def run(self):
-        while self.runnin == True:
+        while self.running == True:
             
             await asyncio.sleep(1)