diff --git a/src/modifier/modifier-type.ts b/src/modifier/modifier-type.ts
index ca65f1413d0..2a3d8652efc 100644
--- a/src/modifier/modifier-type.ts
+++ b/src/modifier/modifier-type.ts
@@ -1402,7 +1402,7 @@ function getNewModifierTypeOption(party: Pokemon[], poolType: ModifierPoolType,
   } else if (upgradeCount === undefined && player) {
     upgradeCount = 0;
     if (tier < ModifierTier.MASTER) {
-      const partyShinyCount = 6;//party.filter(p => p.isShiny() && !p.isFainted()).length;
+      const partyShinyCount = party.filter(p => p.isShiny() && !p.isFainted()).length;
       const upgradeOdds = Math.floor(32 / ((partyShinyCount + 2) / 2));
       while (modifierPool.hasOwnProperty(tier + upgradeCount + 1) && modifierPool[tier + upgradeCount + 1].length) {
         if (!Utils.randSeedInt(upgradeOdds))