diff --git a/modules/tpmnBidAdapter.js b/modules/tpmnBidAdapter.js
index 751bd333362b..d64c39faa9d2 100644
--- a/modules/tpmnBidAdapter.js
+++ b/modules/tpmnBidAdapter.js
@@ -266,7 +266,7 @@ function buildVideoImp(bidRequest, imp) {
   }
   if (imp.video && videoParams?.context === 'outstream') {
     imp.video.placement = imp.video.placement || 4;
-    imp.video.plcmt = imp.video.plcmt || 2;
+    imp.video.plcmt = imp.video.plcmt || 4;
     imp.video.playbackmethod = imp.video.playbackmethod || 2;
   }