diff --git a/src/rail_cmd.cpp b/src/rail_cmd.cpp
--- a/src/rail_cmd.cpp
+++ b/src/rail_cmd.cpp
@@ -33,6 +33,7 @@
 #include "functions.h"
 #include "elrail_func.h"
 #include "town.h"
+#include "pbs.h"
 
 #include "table/strings.h"
 #include "table/railtypes.h"