diff --git a/src/newgrf_commons.cpp b/src/newgrf_commons.cpp
--- a/src/newgrf_commons.cpp
+++ b/src/newgrf_commons.cpp
@@ -32,6 +32,8 @@
 
 #include "table/strings.h"
 
+#include "safeguards.h"
+
 /**
  * Constructor of generic class
  * @param offset end of original data for this entity. i.e: houses = 110