diff --git a/src/signs.cpp b/src/signs.cpp
--- a/src/signs.cpp
+++ b/src/signs.cpp
@@ -5,7 +5,7 @@
 #include "stdafx.h"
 #include "openttd.h"
 #include "landscape.h"
-#include "player_func.h"
+#include "company_func.h"
 #include "signs_base.h"
 #include "signs_func.h"
 #include "saveload.h"