diff --git a/src/newgrf_cargo.cpp b/src/newgrf_cargo.cpp
--- a/src/newgrf_cargo.cpp
+++ b/src/newgrf_cargo.cpp
@@ -13,6 +13,7 @@
 #include "debug.h"
 #include "newgrf.h"
 #include "newgrf_spritegroup.h"
+#include "core/bitmath_func.hpp"
 
 static uint32 CargoGetRandomBits(const ResolverObject *object)
 {