diff --git a/libraries/AP_RCProtocol/AP_RCProtocol.cpp b/libraries/AP_RCProtocol/AP_RCProtocol.cpp
index 3d457332c2..fc048adcbc 100644
--- a/libraries/AP_RCProtocol/AP_RCProtocol.cpp
+++ b/libraries/AP_RCProtocol/AP_RCProtocol.cpp
@@ -44,7 +44,9 @@ void AP_RCProtocol::init()
 #if AP_RCPROTOCOL_PPMSUM_ENABLED
     backend[AP_RCProtocol::PPMSUM] = new AP_RCProtocol_PPMSum(*this);
 #endif
+#if AP_RCPROTOCOL_IBUS_ENABLED
     backend[AP_RCProtocol::IBUS] = new AP_RCProtocol_IBUS(*this);
+#endif
 #if AP_RCPROTOCOL_SBUS_ENABLED
     backend[AP_RCProtocol::SBUS] = new AP_RCProtocol_SBUS(*this, true, 100000);
 #endif
@@ -427,8 +429,10 @@ const char *AP_RCProtocol::protocol_name_from_protocol(rcprotocol_t protocol)
     case PPMSUM:
         return "PPM";
 #endif
+#if AP_RCPROTOCOL_IBUS_ENABLED
     case IBUS:
         return "IBUS";
+#endif
 #if AP_RCPROTOCOL_SBUS_ENABLED
     case SBUS:
         return "SBUS";
diff --git a/libraries/AP_RCProtocol/AP_RCProtocol.h b/libraries/AP_RCProtocol/AP_RCProtocol.h
index b6bbdbcc85..0e2b4f8ad3 100644
--- a/libraries/AP_RCProtocol/AP_RCProtocol.h
+++ b/libraries/AP_RCProtocol/AP_RCProtocol.h
@@ -33,7 +33,9 @@ public:
 #if AP_RCPROTOCOL_PPMSUM_ENABLED
         PPMSUM     =  0,
 #endif
+#if AP_RCPROTOCOL_IBUS_ENABLED
         IBUS       =  1,
+#endif
 #if AP_RCPROTOCOL_SBUS_ENABLED
         SBUS       =  2,
 #endif
@@ -124,7 +126,9 @@ public:
         case CRSF:
 #endif
             return true;
+#if AP_RCPROTOCOL_IBUS_ENABLED
         case IBUS:
+#endif
         case SUMD:
 #if AP_RCPROTOCOL_SRXL_ENABLED
         case SRXL:
diff --git a/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.cpp b/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.cpp
index aa415ae326..bf286f8985 100644
--- a/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.cpp
+++ b/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.cpp
@@ -16,7 +16,7 @@
 
 #include "AP_RCProtocol_config.h"
 
-#if AP_RCPROTOCOL_ENABLED
+#if AP_RCPROTOCOL_IBUS_ENABLED
 
 #include "AP_RCProtocol_IBUS.h"
 
@@ -110,4 +110,4 @@ void AP_RCProtocol_IBUS::process_byte(uint8_t b, uint32_t baudrate)
     _process_byte(AP_HAL::micros(), b);
 }
 
-#endif  // AP_RCPROTOCOL_ENABLED
+#endif  // AP_RCPROTOCOL_IBUS_ENABLED
diff --git a/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.h b/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.h
index 199654f830..b3e7597816 100644
--- a/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.h
+++ b/libraries/AP_RCProtocol/AP_RCProtocol_IBUS.h
@@ -18,7 +18,7 @@
 
 #include "AP_RCProtocol_config.h"
 
-#if AP_RCPROTOCOL_ENABLED
+#if AP_RCPROTOCOL_IBUS_ENABLED
 
 #define IBUS_FRAME_SIZE		32
 #define IBUS_INPUT_CHANNELS	14
@@ -46,4 +46,4 @@ private:
     } byte_input;
 };
 
-#endif  // AP_RCPROTOCOL_ENABLED
+#endif  // AP_RCPROTOCOL_IBUS_ENABLED
diff --git a/libraries/AP_RCProtocol/AP_RCProtocol_config.h b/libraries/AP_RCProtocol/AP_RCProtocol_config.h
index 3260387aed..bbecb1aac6 100644
--- a/libraries/AP_RCProtocol/AP_RCProtocol_config.h
+++ b/libraries/AP_RCProtocol/AP_RCProtocol_config.h
@@ -22,6 +22,10 @@
 #define AP_RCPROTOCOL_FPORT2_ENABLED AP_RCPROTOCOL_BACKEND_DEFAULT_ENABLED && AP_FRSKY_SPORT_TELEM_ENABLED
 #endif
 
+#ifndef AP_RCPROTOCOL_IBUS_ENABLED
+#define AP_RCPROTOCOL_IBUS_ENABLED AP_RCPROTOCOL_BACKEND_DEFAULT_ENABLED
+#endif
+
 #ifndef AP_RCPROTOCOL_PPMSUM_ENABLED
 #define AP_RCPROTOCOL_PPMSUM_ENABLED AP_RCPROTOCOL_BACKEND_DEFAULT_ENABLED
 #endif