diff --git a/src/views/player/audio.ecr b/src/views/player/audio.ecr
index 1122d8d02..35273a61b 100644
--- a/src/views/player/audio.ecr
+++ b/src/views/player/audio.ecr
@@ -1,4 +1,4 @@
-<audio poster="<%= thumbnail %>" title="<%= video.title%>" id="player" class="video-js" data-setup="{}" style="width:100%;" controls>
+<audio poster="<%= thumbnail %>" title="<%= HTML.escape(video.title) %>" id="player" class="video-js" data-setup="{}" style="width:100%;" controls>
     <% adaptive_fmts.each do |fmt| %>
         <% if fmt["type"].starts_with?("audio") %>
             <source src="<%= fmt["url"] %>" type='<%= fmt["type"] %>'>
diff --git a/src/views/player/video.ecr b/src/views/player/video.ecr
index 8e17711fe..90abe4380 100644
--- a/src/views/player/video.ecr
+++ b/src/views/player/video.ecr
@@ -1,4 +1,4 @@
-<video poster="<%= thumbnail %>" title="<%= video.title%>" id="player" class="video-js" data-setup="{}" style="width:100%;" controls>
+<video poster="<%= thumbnail %>" title="<%= HTML.escape(video.title) %>" id="player" class="video-js" data-setup="{}" style="width:100%;" controls>
     <% fmt_stream.each do |fmt| %>
         <source src="<%= fmt["url"]? %>" type='<%= fmt["type"]? %>'>
     <% end %>