diff --git a/src/newgrf_cargo.cpp b/src/newgrf_cargo.cpp
--- a/src/newgrf_cargo.cpp
+++ b/src/newgrf_cargo.cpp
@@ -67,6 +67,7 @@ static void NewCargoResolver(ResolverObj
 	res->trigger         = 0;
 	res->reseed          = 0;
 	res->count           = 0;
+	res->grffile         = cs->grffile;
 }