diff --git a/app/components/media_asset_component/media_asset_component.html.erb b/app/components/media_asset_component/media_asset_component.html.erb
index 92669b706..fae5aeadc 100644
--- a/app/components/media_asset_component/media_asset_component.html.erb
+++ b/app/components/media_asset_component/media_asset_component.html.erb
@@ -15,7 +15,7 @@
     <% elsif is_ugoira? %>
       <%= tag.video src: variant(:sample).file_url, width: image_width, height: image_height, autoplay: true, loop: true, controls: "controls", class: "media-asset-image max-h-inherit max-w-full h-full w-auto select-none" %>
     <% elsif is_flash? %>
-      <%= tag.div class: "ruffle-container", "data-swf": variant(:original).file_url %>
+      <%= tag.div "data-swf": variant(:original).file_url, class: "media-asset-image ruffle-container max-h-inherit max-w-full h-full w-auto select-none" %>
     <% end %>
   </div>
 
diff --git a/app/javascript/src/javascripts/posts.js b/app/javascript/src/javascripts/posts.js
index 8cf25f613..f833831ae 100644
--- a/app/javascript/src/javascripts/posts.js
+++ b/app/javascript/src/javascripts/posts.js
@@ -36,13 +36,14 @@ Post.initialize_all = function() {
     this.initialize_post_image_resize_links();
     this.initialize_recommended();
     this.initialize_ugoira_player();
-    this.initialize_ruffle_player();
   }
 
   if ($("#c-posts #a-show, #c-uploads #a-show").length) {
     this.initialize_edit_dialog();
   }
 
+  this.initialize_ruffle_player();
+
   $(window).on('danbooru:initialize_saved_seraches', () => {
     Post.initialize_saved_searches();
   });
diff --git a/app/views/layouts/default.html.erb b/app/views/layouts/default.html.erb
index db4ce6d6f..bb66c01c9 100644
--- a/app/views/layouts/default.html.erb
+++ b/app/views/layouts/default.html.erb
@@ -23,6 +23,8 @@
   <%# XXX hack to only load Ruffle on Flash posts %>
   <% if controller_name == "posts" && action_name == "show" && @post&.is_flash? %>
     <%= javascript_pack_tag "application", "alpine", "flash", defer: false %>
+  <% elsif controller_name == "media_assets" && action_name == "show" && @media_asset&.is_flash? %>
+    <%= javascript_pack_tag "application", "alpine", "flash", defer: false %>
   <% else %>
     <%= javascript_pack_tag "application", "alpine", defer: false %>
   <% end %>
diff --git a/config/initializers/mime_types.rb b/config/initializers/mime_types.rb
index 285c9e43b..0d9dd405d 100644
--- a/config/initializers/mime_types.rb
+++ b/config/initializers/mime_types.rb
@@ -7,3 +7,5 @@ Mime::Type.register_alias "application/xml", :sitemap
 # XXX remove after upgrading to rack 3.0.0.
 Mime::Type.register "image/webp", :webp
 Mime::Type.register "image/avif", :avif
+
+Mime::Type.register "application/x-shockwave-flash", :swf