1 files changed, 1 insertions, 0 deletions

diff --git a/npf.h b/npf.h
index 0ded7fcfa..8ceb35217 100644
--- a/npf.h
+++ b/npf.h
@@ -7,6 +7,7 @@
 #include "pbs.h"
 #include "tile.h"
 #include "rail.h"
+#include "variables.h"
 
 //mowing grass
 enum {