diff --git a/src/main.py b/src/main.py
index 03e01e8..10f9900 100644
--- a/src/main.py
+++ b/src/main.py
@@ -204,7 +204,7 @@ class App:
     # --- Asynchronous Update Functions ---
     @async_handler
     async def update_rgb(self, tab):
-        pass
+        await asyncio.sleep(0)  # Yield control
 
     def update_status_labels(self):
         # Pull values from midi_handler
diff --git a/src/midi.py b/src/midi.py
index 6d3d62b..09fd9bc 100644
--- a/src/midi.py
+++ b/src/midi.py
@@ -54,6 +54,7 @@ class MidiHandler:
         # Raw CC-driven parameters (0-127)
         self.n1 = 10
         self.n2 = 10
+        self.n3 = 1
         # Additional knobs (CC38-45)
         self.knob1 = 0
         self.knob2 = 0