diff --git a/apps/web/src/hooks/use-encounter.ts b/apps/web/src/hooks/use-encounter.ts
index 34602ef..b64636b 100644
--- a/apps/web/src/hooks/use-encounter.ts
+++ b/apps/web/src/hooks/use-encounter.ts
@@ -173,7 +173,7 @@ function addOneFromBestiary(
 
 	const id = combatantId(`c-${nextId + 1}`);
 	const result = addCombatantUseCase(store, id, newName, {
-		maxHp: entry.hp,
+		maxHp: entry.hp > 0 ? entry.hp : undefined,
 		ac: entry.ac > 0 ? entry.ac : undefined,
 		creatureId: cId,
 	});