diff --git a/gather/src/index.js b/gather/src/index.js
index 79ea7a8..32bbb84 100644
--- a/gather/src/index.js
+++ b/gather/src/index.js
@@ -20,12 +20,12 @@ async function initDB () {
 
     const setPrice = await item.set.getPrice()
     if (partsPrice < setPrice) {
-      const scanResult = new models.ScanResult({
-        name: item.name,
-        partsPrice,
-        setPrice
-      })
-      scanResult.save()
+      models.ScanResult.findOneAndUpdate(
+        { name: item.name },
+        { partsPrice, setPrice },
+        { upsert: true },
+        () => {}
+      )
     }
   }
 })()