diff --git a/src/market/appraisal/fuzzwork.ts b/src/market/appraisal/fuzzwork.ts
index 02c400b..dde0ac9 100644
--- a/src/market/appraisal/fuzzwork.ts
+++ b/src/market/appraisal/fuzzwork.ts
@@ -23,14 +23,17 @@ export const getfuzzworkPrices: PriceGetter = async types => {
     return (await Promise.all(batches))
         .flatMap(b => Object.entries(b.data))
         .map(entry => {
-            const id = parseInt(entry[0]);
+            const id = doParseInt(entry[0]);
             const prices = entry[1] as any;
 
             return {
                 type: types.find(t => t.id === id) as MarketType,
-                buy: parseFloat(prices.buy.max),
-                sell: parseFloat(prices.sell.min),
-                orderCount: parseInt(prices.buy.order_count) + parseInt(prices.sell.order_count)
+                buy: doParseFloat(prices?.buy?.max),
+                sell: doParseFloat(prices?.sell?.min),
+                orderCount: doParseInt(prices?.buy?.order_count) + doParseInt(prices?.sell?.order_count)
             }
         });
-};
\ No newline at end of file
+};
+
+const doParseInt = (s?: string) => s ? parseInt(s) : 0;
+const doParseFloat = (s?: string) => s ? parseFloat(s) : 0;