diff --git a/modules/rubiconBidAdapter.js b/modules/rubiconBidAdapter.js
index 4cfd40fb682..66dbd51f050 100644
--- a/modules/rubiconBidAdapter.js
+++ b/modules/rubiconBidAdapter.js
@@ -124,6 +124,7 @@ var sizeMap = {
   278: '320x500',
   282: '320x400',
   288: '640x380',
+  484: '720x1280',
   524: '1x2',
   548: '500x1000',
   550: '980x480',