1 files changed, 2 insertions, 1 deletions
diff --git a/ttd.h b/ttd.h
index 190651794..325292c16 100644
--- a/ttd.h
+++ b/ttd.h
@@ -393,8 +393,9 @@ enum {
 	WC_INDUSTRY_DIRECTORY = 0x43,
 	WC_MESSAGE_HISTORY = 0x44,
 	WC_CHEATS = 0x45,
-	WC_PERFORMANCE_DETAIL = 0x46,
+	WC_PERFORMANCE_DETAIL = 0x46,
 	WC_CONSOLE = 0x47,
+	WC_EXTRA_VIEW_PORT = 0x48,
 };