diff --git a/modules/bidglassBidAdapter.js b/modules/bidglassBidAdapter.js
index 3162228ce58..44f5cdf4384 100644
--- a/modules/bidglassBidAdapter.js
+++ b/modules/bidglassBidAdapter.js
@@ -67,18 +67,29 @@ export const spec = {
       return ori;
     };
 
+    let bidglass = window['bidglass'];
+
     utils._each(validBidRequests, function(bid) {
       bid.sizes = ((utils.isArray(bid.sizes) && utils.isArray(bid.sizes[0])) ? bid.sizes : [bid.sizes]);
       bid.sizes = bid.sizes.filter(size => utils.isArray(size));
 
+      var adUnitId = utils.getBidIdParameter('adUnitId', bid.params);
       var options = utils.deepClone(bid.params);
+
       delete options.adUnitId;
 
+      // Merge externally set targeting params
+      if (typeof bidglass === 'object' && bidglass.getTargeting) {
+        let targeting = bidglass.getTargeting(adUnitId, options.targeting);
+
+        if (targeting && Object.keys(targeting).length > 0) options.targeting = targeting;
+      }
+
       // Stuff to send: [bid id, sizes, adUnitId, options]
       imps.push({
         bidId: bid.bidId,
         sizes: bid.sizes,
-        adUnitId: utils.getBidIdParameter('adUnitId', bid.params),
+        adUnitId: adUnitId,
         options: options
       });
     });