diff --git a/libraries/AP_HAL_AVR/RCInput.h b/libraries/AP_HAL_AVR/RCInput.h
index 51ef8d4b5f..79f9164618 100644
--- a/libraries/AP_HAL_AVR/RCInput.h
+++ b/libraries/AP_HAL_AVR/RCInput.h
@@ -5,7 +5,7 @@
 #include <AP_HAL.h>
 #include "AP_HAL_AVR_Namespace.h"
 
-#define AVR_RC_INPUT_NUM_CHANNELS 8
+#define AVR_RC_INPUT_NUM_CHANNELS 11
 #define AVR_RC_INPUT_MIN_CHANNELS 5     // for ppm sum we allow less than 8 channels to make up a valid packet
 
 class AP_HAL_AVR::APM1RCInput : public AP_HAL::RCInput {