diff --git a/modules/sortableBidAdapter.js b/modules/sortableBidAdapter.js
index c1cb607e5ab..15246a10eab 100644
--- a/modules/sortableBidAdapter.js
+++ b/modules/sortableBidAdapter.js
@@ -227,6 +227,7 @@ export const spec = {
           rv.ext[partner] = params;
         });
       }
+      rv.ext.gpid = deepAccess(bid, 'ortb2Imp.ext.data.pbadslot');
       return rv;
     });
     const gdprConsent = bidderRequest && bidderRequest.gdprConsent;
diff --git a/test/spec/modules/sortableBidAdapter_spec.js b/test/spec/modules/sortableBidAdapter_spec.js
index 17f77e96d51..7357fa77952 100644
--- a/test/spec/modules/sortableBidAdapter_spec.js
+++ b/test/spec/modules/sortableBidAdapter_spec.js
@@ -112,6 +112,13 @@ describe('sortableBidAdapter', function() {
           'key2': 'val2'
         }
       },
+      'ortb2Imp': {
+        'ext': {
+          'data': {
+            'pbadslot': 'abc/123'
+          }
+        }
+      },
       'sizes': [
         [300, 250]
       ],
@@ -176,6 +183,10 @@ describe('sortableBidAdapter', function() {
       expect(requestBody.imp[0].floor).to.equal(0.21);
     });
 
+    it('includes pbadslot in the bid request', function () {
+      expect(requestBody.imp[0].ext.gpid).to.equal('abc/123');
+    });
+
     it('sets domain and href correctly', function () {
       expect(requestBody.site.domain).to.equal('example.com');
       expect(requestBody.site.page).to.equal('http://example.com/page?param=val');