--- a/src/ai/trolly/trolly.cpp	Tue Apr 29 18:19:29 2008 +0000
+++ b/src/ai/trolly/trolly.cpp	Tue Apr 29 21:31:29 2008 +0000
@@ -29,6 +29,7 @@
 #include "../../industry.h"
 #include "../../station_base.h"
 #include "../../engine_func.h"
+#include "../../engine_base.h"
 #include "../../gui.h"
 #include "../../depot_base.h"
 #include "../../vehicle_base.h"