diff --git a/app/services/spot/derivatives/audio_visual_derivative_copy_service.rb b/app/services/spot/derivatives/audio_visual_derivative_copy_service.rb
index 84783dcfb..489611b33 100644
--- a/app/services/spot/derivatives/audio_visual_derivative_copy_service.rb
+++ b/app/services/spot/derivatives/audio_visual_derivative_copy_service.rb
@@ -115,6 +115,7 @@ def create_video_derivatives(filename)
         Hydra::Derivatives::VideoDerivatives.create(filename,
                                                     outputs: [{ label: 'mp4',
                                                                 format: 'mp4',
+                                                                size:"640x480>"
                                                                 url: derivative_url }])
       end