diff --git a/gui.lua b/gui.lua
index a4174a1..abdc8a3 100644
--- a/gui.lua
+++ b/gui.lua
@@ -12,7 +12,7 @@ local player_current_calendars = {}
 ORDINAL = true
 SHOW_WEEKDAYS = true
 SHOW_TODAY = true
-SHOWHOLIDAYS = true
+SHOW_HOLIDAYS = true
 CHANGABLE = "full"
 TODAY_BUTTON = true