diff --git a/third_party/pyth/price-service/src/rest.ts b/third_party/pyth/price-service/src/rest.ts
index b67b220aa6..48b8100a5c 100644
--- a/third_party/pyth/price-service/src/rest.ts
+++ b/third_party/pyth/price-service/src/rest.ts
@@ -220,7 +220,7 @@ export class RestAPI {
         let stalePrices: Record<HexString, number> = {}
 
         for (let priceId of priceIds) {
-          const latency = currentTime - this.priceFeedVaaInfo.getLatestPriceInfo(priceId)!.priceFeed.publishTime
+          const latency = currentTime - this.priceFeedVaaInfo.getLatestPriceInfo(priceId)!.attestationTime
           if (latency > stalenessThresholdSeconds) {
             stalePrices[priceId] = latency
           }