1 files changed, 1 insertions, 0 deletions
diff --git a/ttd.h b/ttd.h
index 0265d21f1..35bcc6354 100644
--- a/ttd.h
+++ b/ttd.h
@@ -438,6 +438,7 @@ enum {
 	WC_EXTRA_VIEW_PORT = 0x48,
 	WC_CLIENT_LIST = 0x49,
 	WC_NETWORK_STATUS_WINDOW = 0x4A,
+	WC_CUSTOM_CURRENCY = 0x4B,
 };