1 files changed, 1 insertions, 0 deletions

diff --git a/ttd.h b/ttd.h
index 018198779..96d247547 100644
--- a/ttd.h
+++ b/ttd.h
@@ -536,6 +536,7 @@ enum {
 	SCROLL_CON =  0,
 	SCROLL_EDIT = 1,
 	SCROLL_SAVE = 2,
+	SCROLL_CHAT = 4,
 };
 VARDEF byte _no_scroll;