diff --git a/src/BLE-MIDI.h b/src/BLE-MIDI.h
index 4e365d4..3ca1e19 100755
--- a/src/BLE-MIDI.h
+++ b/src/BLE-MIDI.h
@@ -41,7 +41,9 @@ public:
         mTxIndex = 0;
 	}
 
-protected:
+protected:	
+    static const bool thruActivated = false;
+	
     void begin()
     {
         mBleClass.begin(mDeviceName, this);