diff --git a/modules/nexx360BidAdapter.js b/modules/nexx360BidAdapter.js
index 3d8e9c348c8..c65544936fa 100644
--- a/modules/nexx360BidAdapter.js
+++ b/modules/nexx360BidAdapter.js
@@ -190,7 +190,7 @@ function interpretResponse(serverResponse) {
           demandSource: bid.ext.ssp,
         },
       };
-      if (allowAlternateBidderCodes) response.bidderCode = `n360-${bid.ext.ssp}`;
+      if (allowAlternateBidderCodes) response.bidderCode = `n360_${bid.ext.ssp}`;
 
       if (bid.ext.mediaType === BANNER) {
         if (bid.adm) {