diff --git a/libraries/RC_Channel/examples/RC_Channel/RC_Channel.cpp b/libraries/RC_Channel/examples/RC_Channel/RC_Channel.cpp
index 96ef550157..cfa1e48555 100644
--- a/libraries/RC_Channel/examples/RC_Channel/RC_Channel.cpp
+++ b/libraries/RC_Channel/examples/RC_Channel/RC_Channel.cpp
@@ -6,6 +6,9 @@
 #include <AP_HAL/AP_HAL.h>
 #include <RC_Channel/RC_Channel.h>
 
+void setup();
+void loop();
+
 const AP_HAL::HAL& hal = AP_HAL::get_HAL();
 
 #define NUM_CHANNELS 8