diff --git a/modules/rubiconBidAdapter.js b/modules/rubiconBidAdapter.js
index c13833502fb..22db444f8d6 100644
--- a/modules/rubiconBidAdapter.js
+++ b/modules/rubiconBidAdapter.js
@@ -64,6 +64,7 @@ var sizeMap = {
   101: '480x320',
   102: '768x1024',
   103: '480x280',
+  105: '250x800',
   108: '320x240',
   113: '1000x300',
   117: '320x100',