diff --git a/config/formats.ts b/config/formats.ts
index 252abe6594..ee27150955 100644
--- a/config/formats.ts
+++ b/config/formats.ts
@@ -769,7 +769,7 @@ export const Formats: FormatList = [
 
 		mod: 'gen9',
 		searchShow: false,
-		ruleset: ['Standard OMs', 'Sleep Clause Mod', 'Evasion Items Clause', 'Evasion Abilities Clause', 'Camomons Mod', 'Min Source Gen = 9'],
+		ruleset: ['Standard OMs', 'Sleep Clause Mod', 'Evasion Items Clause', 'Evasion Abilities Clause', 'Terastal Clause', 'Camomons Mod', 'Min Source Gen = 9'],
 		banlist: ['Chien-Pao', 'Koraidon', 'Miraidon', 'Palafin', 'Roaring Moon', 'Arena Trap', 'Moody', 'Shadow Tag', 'Booster Energy', 'King\'s Rock', 'Baton Pass'],
 	},
 	{