diff --git a/light9/midifade/midifade.py b/light9/midifade/midifade.py
--- a/light9/midifade/midifade.py
+++ b/light9/midifade/midifade.py
@@ -87,7 +87,7 @@ async def main():
             await asyncio.sleep(1 / MAX_SEND_RATE)
 
     asyncio.create_task(reader())
-
+    openPorts = []
     for inputName in mido.get_input_names():
         if inputName.startswith('Keystation'):
             dev = "keystation"
@@ -98,7 +98,11 @@ async def main():
         else:
             continue
         log.info(f'listening on input {inputName} {dev=}')
-        port = mido.open_input(inputName, callback=lambda message: onMessageMidoThread(dev, message))
+        openPorts.append(
+            mido.open_input(#
+            inputName,#
+             callback=lambda message, dev=dev: onMessageMidoThread(dev, message))
+        )
 
     while True:
         await asyncio.sleep(1)