diff --git a/modules/smartadserverBidAdapter.js b/modules/smartadserverBidAdapter.js
index 9146bba6514..923223f70c2 100644
--- a/modules/smartadserverBidAdapter.js
+++ b/modules/smartadserverBidAdapter.js
@@ -132,18 +132,19 @@ export const spec = {
    * @returns positive integer value of startdelay
    */
   getStartDelayForVideoBidRequest: function(videoMediaType, videoParams) {
-    if (videoParams !== undefined && videoParams.startDelay) {
+    if (videoParams?.startDelay) {
       return videoParams.startDelay;
-    } else if (videoMediaType !== undefined) {
-      if (videoMediaType.startdelay == 0) {
-        return 1;
-      } else if (videoMediaType.startdelay == -1) {
-        return 2;
-      } else if (videoMediaType.startdelay == -2) {
-        return 3;
+    } else if (videoMediaType) {
+      switch (videoMediaType) {
+        case 0:
+          return 1;
+        case -1:
+          return 2;
+        case -2:
+          return 3;
       }
     }
-    return 2;// Default value for all exotic cases set to bid.params.video.startDelay midroll hence 2.
+    return 1; // SADR-5619
   },
 
   /**
diff --git a/test/spec/modules/smartadserverBidAdapter_spec.js b/test/spec/modules/smartadserverBidAdapter_spec.js
index 58b4cd8c0d0..d76a7b882f0 100644
--- a/test/spec/modules/smartadserverBidAdapter_spec.js
+++ b/test/spec/modules/smartadserverBidAdapter_spec.js
@@ -787,7 +787,7 @@ describe('Smart bid adapter tests', function () {
         const requestContent = JSON.parse(request[0].data);
         expect(requestContent).to.have.property('videoData');
         expect(requestContent.videoData).not.to.have.property('videoProtocol').eq(true);
-        expect(requestContent.videoData).to.have.property('adBreak').and.to.equal(2);
+        expect(requestContent.videoData).to.have.property('adBreak').and.to.equal(1);
       });
 
       it('Verify videoData params override meta values', function () {
@@ -1097,7 +1097,7 @@ describe('Smart bid adapter tests', function () {
       const requestContent = JSON.parse(request[0].data);
       expect(requestContent).to.have.property('videoData');
       expect(requestContent.videoData).not.to.have.property('videoProtocol').eq(true);
-      expect(requestContent.videoData).to.have.property('adBreak').and.to.equal(2);
+      expect(requestContent.videoData).to.have.property('adBreak').and.to.equal(1);
     });
 
     it('Verify videoData params override meta values', function () {