diff --git a/renderer/src/parser/calc-q20.ts b/renderer/src/parser/calc-q20.ts
index df4c67cb..2554a63e 100644
--- a/renderer/src/parser/calc-q20.ts
+++ b/renderer/src/parser/calc-q20.ts
@@ -43,7 +43,9 @@ export function propAt20Quality(
 ): { roll: StatRoll; sources: StatSource[] } {
   const { incr, flat, sources } = calcPropBase(statRefs, item);
   const base = calcFlat(total, incr.value, item.quality) - flat.value;
-  const quality = Math.max(20, item.quality ?? 0);
+  const quality = item.isCorrupted
+    ? (item.quality ?? 0)
+    : Math.max(20, item.quality ?? 0);
   return {
     roll: {
       value: calcIncreased(base + flat.value, incr.value, quality),
diff --git a/renderer/src/web/price-check/filters/FilterModifier.vue b/renderer/src/web/price-check/filters/FilterModifier.vue
index aa228725..96494d9c 100644
--- a/renderer/src/web/price-check/filters/FilterModifier.vue
+++ b/renderer/src/web/price-check/filters/FilterModifier.vue
@@ -170,13 +170,15 @@ export default defineComponent({
     );
 
     const showQ20Notice = computed(() => {
-      return [
-        "item.armour",
-        "item.evasion_rating",
-        "item.energy_shield",
-        "item.total_dps",
-        "item.physical_dps",
-      ].includes(props.filter.tradeId[0]);
+      return (
+        [
+          "item.armour",
+          "item.evasion_rating",
+          "item.energy_shield",
+          "item.total_dps",
+          "item.physical_dps",
+        ].includes(props.filter.tradeId[0]) && !props.item.isCorrupted
+      );
     });
 
     const calcQuality = computed(() => Math.max(20, props.item.quality || 0));