diff --git a/packages/backend/src/lib/gamification.ts b/packages/backend/src/lib/gamification.ts
index b26457e..dccc964 100644
--- a/packages/backend/src/lib/gamification.ts
+++ b/packages/backend/src/lib/gamification.ts
@@ -60,10 +60,9 @@ export async function revokePoints(
 }
 
 export async function calculateWeightedScore(db: DB, userId: string): Promise<number> {
-  const now = new Date();
   const result = await db.execute(sql`
     SELECT SUM(
-      points * EXP(-${DECAY_LAMBDA} * EXTRACT(EPOCH FROM (${now}::timestamptz - date_created)) / 86400)
+      points * EXP(-${DECAY_LAMBDA} * EXTRACT(EPOCH FROM (NOW() - date_created)) / 86400)
     ) as weighted_score
     FROM user_points
     WHERE user_id = ${userId}