diff --git a/modules/riseBidAdapter.js b/modules/riseBidAdapter.js
index 7f84dbd3344..70777fe03f2 100644
--- a/modules/riseBidAdapter.js
+++ b/modules/riseBidAdapter.js
@@ -159,7 +159,7 @@ function getSupplyChain(schainObject) {
     scStr += '!';
     scStr += `${getEncodedValIfNotEmpty(node.asi)},`;
     scStr += `${getEncodedValIfNotEmpty(node.sid)},`;
-    scStr += `${getEncodedValIfNotEmpty(node.hp)},`;
+    scStr += `${node.hp ? encodeURIComponent(node.hp) : ''},`;
     scStr += `${getEncodedValIfNotEmpty(node.rid)},`;
     scStr += `${getEncodedValIfNotEmpty(node.name)},`;
     scStr += `${getEncodedValIfNotEmpty(node.domain)}`;
diff --git a/test/spec/modules/riseBidAdapter_spec.js b/test/spec/modules/riseBidAdapter_spec.js
index 61b307eef21..211c36a254a 100644
--- a/test/spec/modules/riseBidAdapter_spec.js
+++ b/test/spec/modules/riseBidAdapter_spec.js
@@ -257,7 +257,7 @@ describe('riseAdapter', function () {
       const requests = spec.buildRequests(bidRequests, bidderRequest);
       for (const request of requests) {
         expect(request.data).to.be.an('object');
-        expect(request.data).to.have.property('schain', '1.0,1!indirectseller.com,00001,,,,');
+        expect(request.data).to.have.property('schain', '1.0,1!indirectseller.com,00001,1,,,');
       }
     });