diff --git a/src/aircraft_cmd.cpp b/src/aircraft_cmd.cpp
--- a/src/aircraft_cmd.cpp
+++ b/src/aircraft_cmd.cpp
@@ -29,6 +29,7 @@
 #include "effectvehicle_func.h"
 #include "settings_type.h"
 #include "station_base.h"
+#include "cargotype.h"
 
 #include "table/strings.h"
 #include "table/sprites.h"