diff --git a/play.pokemonshowdown.com/src/battle-tooltips.ts b/play.pokemonshowdown.com/src/battle-tooltips.ts
index 34ecd7046..3d9d51320 100644
--- a/play.pokemonshowdown.com/src/battle-tooltips.ts
+++ b/play.pokemonshowdown.com/src/battle-tooltips.ts
@@ -2645,6 +2645,7 @@ export class BattleStatGuesser {
 
 		for (let i = 0, len = set.moves.length; i < len; i++) {
 			let move = this.dex.moves.get(set.moves[i]);
+			if (!move.exists) continue;
 			hasMove[move.id] = 1;
 			if (move.category === 'Status') {
 				if (['batonpass', 'healingwish', 'lunardance'].includes(move.id)) {