diff --git a/src/services/aiUsage.js b/src/services/aiUsage.js
index 0423875..2949701 100644
--- a/src/services/aiUsage.js
+++ b/src/services/aiUsage.js
@@ -74,7 +74,7 @@ async function computeCostRub({ requestType, model, promptTokens, completionToke
     // Routerai — цены в рублях, считаем по image токенам
     const routeraiRate = ROUTERAI_IMAGE_RUB_PER_TOKEN[model];
     if (routeraiRate !== undefined) {
-      const inputCost = ((o?.promptTokens || 0) / 1_000_000) * 233;
+      const inputCost = ((promptTokens || 0) / 1_000_000) * 233;
       return +(ROUTERAI_IMAGE_TOKENS * routeraiRate + inputCost).toFixed(4);
     }
     const perImage = IMAGE_PRICES_USD[model];