diff --git a/libraries/AP_PiccoloCAN/AP_PiccoloCAN.cpp b/libraries/AP_PiccoloCAN/AP_PiccoloCAN.cpp
index 10897d642d..fc6e19136f 100644
--- a/libraries/AP_PiccoloCAN/AP_PiccoloCAN.cpp
+++ b/libraries/AP_PiccoloCAN/AP_PiccoloCAN.cpp
@@ -32,6 +32,7 @@
 #include <SRV_Channel/SRV_Channel.h>
 #include <GCS_MAVLink/GCS.h>
 #include <AP_Logger/AP_Logger.h>
+#include <AP_CANManager/AP_CANManager.h>
 
 #include <AP_EFI/AP_EFI_Currawong_ECU.h>