--- a/src/aircraft_cmd.cpp	Wed Dec 26 11:45:43 2007 +0000
+++ b/src/aircraft_cmd.cpp	Wed Dec 26 13:50:40 2007 +0000
@@ -26,12 +26,12 @@
 #include "newgrf_callbacks.h"
 #include "newgrf_text.h"
 #include "newgrf_sound.h"
-#include "date.h"
 #include "spritecache.h"
 #include "cargotype.h"
 #include "strings_func.h"
 #include "command_func.h"
 #include "window_func.h"
+#include "date_func.h"
 #include "functions.h"
 
 void Aircraft::UpdateDeltaXY(Direction direction)