diff --git a/plugins/lazyYT/plugin.rb b/plugins/lazyYT/plugin.rb
index 7a9b8fc2a28..866765e7e6f 100644
--- a/plugins/lazyYT/plugin.rb
+++ b/plugins/lazyYT/plugin.rb
@@ -17,8 +17,11 @@ class Onebox::Engine::YoutubeOnebox
 
   def to_html
     if video_id
+      video_width = (params['width'] && params['width'].to_i <= 695) ? params['width'] : 480 # embed width
+      video_height = (params['height'] && params['height'].to_i <= 500) ? params['height'] : 270 # embed height
+      
       # Put in the LazyYT div instead of the iframe
-      "<div class=\"lazyYT\" data-youtube-id=\"#{video_id}\" data-youtube-title=\"#{video_title}\" data-width=\"480\" data-height=\"270\" data-parameters=\"#{embed_params}\"></div>"
+      "<div class=\"lazyYT\" data-youtube-id=\"#{video_id}\" data-youtube-title=\"#{video_title}\" data-width=\"#{video_width}\" data-height=\"#{video_height}\" data-parameters=\"#{embed_params}\"></div>"
     else
       super
     end