diff --git a/modules/riseBidAdapter.js b/modules/riseBidAdapter.js
index 82790805303..6781f7af8e0 100644
--- a/modules/riseBidAdapter.js
+++ b/modules/riseBidAdapter.js
@@ -316,7 +316,7 @@ function generateBidParameters(bid, bidderRequest) {
   };
 
   const pos = deepAccess(bid, `mediaTypes.${mediaType}.pos`);
-  if (pos) {
+  if (pos || pos === 0) {
     bidObject.pos = pos;
   }
 
diff --git a/test/spec/modules/riseBidAdapter_spec.js b/test/spec/modules/riseBidAdapter_spec.js
index ec9309fd4ae..2687b6f1400 100644
--- a/test/spec/modules/riseBidAdapter_spec.js
+++ b/test/spec/modules/riseBidAdapter_spec.js
@@ -69,7 +69,8 @@ describe('riseAdapter', function () {
           'video': {
             'playerSize': [[640, 480]],
             'context': 'instream',
-            'plcmt': 1
+            'plcmt': 1,
+            'pos': 0
           }
         },
         'vastXml': '"<VAST version=\\\"2.0\\\">...</VAST>"'
@@ -116,6 +117,7 @@ describe('riseAdapter', function () {
     const api = [1, 2];
     const mimes = ['application/javascript', 'video/mp4', 'video/quicktime'];
     const protocols = [2, 3, 5, 6];
+    const pos = 4;
 
     it('sends the placementId to ENDPOINT via POST', function () {
       bidRequests[0].params.placementId = placementId;
@@ -444,6 +446,15 @@ describe('riseAdapter', function () {
       expect(request.data.bids[0].sua).to.not.exist;
     });
 
+    it('should send right position of the bid', function() {
+      const bid = utils.deepClone(bidRequests[1]);
+      bid.mediaTypes.banner.pos = pos;
+      const request = spec.buildRequests([bidRequests[0], bidRequests[1], bid], bidderRequest);
+      expect(request.data.bids[0].pos).to.equal(0);
+      expect(request.data.bids[1].pos).to.equal(undefined);
+      expect(request.data.bids[2].pos).to.equal(pos);
+    });
+
     describe('COPPA Param', function() {
       it('should set coppa equal 0 in bid request if coppa is set to false', function() {
         const request = spec.buildRequests(bidRequests, bidderRequest);