diff --git a/src/views/player/audio.ecr b/src/views/player/audio.ecr
index c7390b1f..2130988d 100644
--- a/src/views/player/audio.ecr
+++ b/src/views/player/audio.ecr
@@ -1,4 +1,4 @@
-<audio style="width:100%" poster="<%= thumbnail %>" title="<%= HTML.escape(video.title) %>" id="player" class="video-js" data-setup="{}" controls>
+<audio style="width:100%" poster="<%= thumbnail %>" title="<%= HTML.escape(video.title) %>" id="player" class="video-js vjs-16-9" data-setup="{}" controls>
     <% audio_streams.each_with_index do |fmt, i| %>
         <source src="<%= fmt["url"] %>" type='<%= fmt["type"] %>' label="<%= fmt["bitrate"] %>k" selected="<%= i == 0 ? true : false %>">
     <% end %>
diff --git a/src/views/player/video.ecr b/src/views/player/video.ecr
index 16604583..6e1ff5eb 100644
--- a/src/views/player/video.ecr
+++ b/src/views/player/video.ecr
@@ -1,4 +1,4 @@
-<video style="width:100%" playsinline poster="<%= thumbnail %>" title="<%= HTML.escape(video.title) %>" id="player" class="video-js" data-setup="{}" controls>
+<video style="width:100%" playsinline poster="<%= thumbnail %>" title="<%= HTML.escape(video.title) %>" id="player" class="video-js vjs-16-9" data-setup="{}" controls>
     <% fmt_stream.each_with_index do |fmt, i| %>
         <source src="<%= fmt["url"] %>" type='<%= fmt["type"] %>' label="<%= fmt["label"] %>" selected="<%= i == 0 ? true : false %>">
     <% end %>
diff --git a/src/views/watch.ecr b/src/views/watch.ecr
index 88d8f53c..e2b9b344 100644
--- a/src/views/watch.ecr
+++ b/src/views/watch.ecr
@@ -19,7 +19,6 @@
 
 <script>
 var options = {
-    aspectRatio: "16:9",
     preload: "auto",
     playbackRates: [0.5, 1, 1.5, 2],
     controlBar: {