(svn r2415) - Fix: [newgrf] Powered Wagons - Don't assume an undefined callback will fail.

1 files changed, 1 insertions, 0 deletions

diff --git a/engine.h b/engine.h
index 19ea10492..8a78bec28 100644
--- a/engine.h
+++ b/engine.h
@@ -144,6 +144,7 @@ enum CallbackID {
 // bit positions for rvi->callbackmask, indicates which callbacks are used by an engine
 // (some callbacks are always used, and dont appear here)
 enum CallbackMask {
+	CBM_WAGON_POWER = 0,
 	CBM_REFIT_CAP = 3,
 };