diff --git a/apps/portal/src/utils/offers/analysis/analysisGeneration.ts b/apps/portal/src/utils/offers/analysis/analysisGeneration.ts
index 956de901..fad35434 100644
--- a/apps/portal/src/utils/offers/analysis/analysisGeneration.ts
+++ b/apps/portal/src/utils/offers/analysis/analysisGeneration.ts
@@ -199,7 +199,7 @@ const calculatePercentile = (
     const salary = getSalary(offer, lastOfferSalary);
 
     if (salary !== lastOfferSalary) {
-      if (salary === offerToCalculateSalary) {
+      if (salary === offerToCalculateSalary && offerToCalculateIndex === -1) {
         offerToCalculateIndex = i;
       }
       numberOfNoDuplicateOffers++;