diff --git a/src/modifier/modifier-type.ts b/src/modifier/modifier-type.ts
index 49763357884..3d2e67b0dc3 100644
--- a/src/modifier/modifier-type.ts
+++ b/src/modifier/modifier-type.ts
@@ -3569,7 +3569,7 @@ function getNewModifierTypeOption(
       const partyLuckValue = getPartyLuckValue(party);
       const upgradeOdds = Math.floor(128 / ((partyLuckValue + 4) / 4));
       while (modifierPool.hasOwnProperty(tier + upgradeCount + 1) && modifierPool[tier + upgradeCount + 1].length) {
-        if (!randSeedInt(upgradeOdds)) {
+        if (randSeedInt(upgradeOdds) < 4) {
           upgradeCount++;
         } else {
           break;