diff --git a/Multiprotocol/iface_nrf24l01.h b/Multiprotocol/iface_nrf24l01.h
index 92ff9e1..3ba8cbb 100644
--- a/Multiprotocol/iface_nrf24l01.h
+++ b/Multiprotocol/iface_nrf24l01.h
@@ -103,6 +103,10 @@ enum {
 //#define NOP           0xFF
 
 // XN297 emulation layer
-#define XN297_UNSCRAMBLED 8
+// XN297 emulation layer
+enum {
+	XN297_UNSCRAMBLED = 0,
+	XN297_SCRAMBLED
+};
 
-#endif
\ No newline at end of file
+#endif