diff --git a/libraries/AP_HAL_Linux/RCInput_RCProtocol.cpp b/libraries/AP_HAL_Linux/RCInput_RCProtocol.cpp
index 5c6cbe1543..938b387362 100644
--- a/libraries/AP_HAL_Linux/RCInput_RCProtocol.cpp
+++ b/libraries/AP_HAL_Linux/RCInput_RCProtocol.cpp
@@ -22,6 +22,7 @@
 #include <unistd.h>
 #include <errno.h>
 #include <sys/ioctl.h>
+#include <asm/ioctls.h>
 #include <asm/termbits.h>
 #include "RCInput_RCProtocol.h"
 #include <GCS_MAVLink/GCS.h>