diff --git a/ArduCopter/ArduCopter.pde b/ArduCopter/ArduCopter.pde
index 929a82b8a6a39469205e23d748fac316ad4cd313..3b415c76fd37be1764c14722e1f044efa814e43c 100644
--- a/ArduCopter/ArduCopter.pde
+++ b/ArduCopter/ArduCopter.pde
@@ -1,6 +1,6 @@
 /// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
-#define THISFIRMWARE "ArduCopter V2.8"
+#define THISFIRMWARE "ArduCopter V2.8.1-rc1"
 /*
  *  ArduCopter Version 2.8
  *  Lead author:	Jason Short