diff --git a/assets/js/image_expansion.js b/assets/js/image_expansion.js
index d7bab189..91d4f7ae 100644
--- a/assets/js/image_expansion.js
+++ b/assets/js/image_expansion.js
@@ -86,10 +86,15 @@ function pickAndResize(elem) {
     clearEl(elem);
   }
 
+  let muted = 'muted';
+  if (store.get('unmute_videos')) {
+    muted = '';
+  }
+
   if (imageFormat === 'mp4') {
     elem.classList.add('full-height');
     elem.insertAdjacentHTML('afterbegin',
-      `<video controls autoplay loop muted playsinline preload="auto" id="image-display"
+      `<video controls autoplay loop ${muted} playsinline preload="auto" id="image-display"
            width="${imageWidth}" height="${imageHeight}">
         <source src="${uris.webm}" type="video/webm">
         <source src="${uris.mp4}" type="video/mp4">
@@ -102,7 +107,7 @@ function pickAndResize(elem) {
   }
   else if (imageFormat === 'webm') {
     elem.insertAdjacentHTML('afterbegin',
-      `<video controls autoplay loop muted playsinline id="image-display">
+      `<video controls autoplay loop ${muted} playsinline id="image-display">
         <source src="${uri}" type="video/webm">
         <source src="${uri.replace(/webm$/, 'mp4')}" type="video/mp4">
         <p class="block block--fixed block--warning">
diff --git a/lib/philomena_web/controllers/setting_controller.ex b/lib/philomena_web/controllers/setting_controller.ex
index 660a2bd2..7c3d6db9 100644
--- a/lib/philomena_web/controllers/setting_controller.ex
+++ b/lib/philomena_web/controllers/setting_controller.ex
@@ -39,6 +39,7 @@ defmodule PhilomenaWeb.SettingController do
     |> set_cookie(user_params, "hidpi", "hidpi")
     |> set_cookie(user_params, "webm", "webm")
     |> set_cookie(user_params, "serve_webm", "serve_webm")
+    |> set_cookie(user_params, "unmute_videos", "unmute_videos")
     |> set_cookie(user_params, "chan_nsfw", "chan_nsfw")
     |> set_cookie(user_params, "hide_staff_tools", "hide_staff_tools")
     |> set_cookie(user_params, "hide_uploader", "hide_uploader")
diff --git a/lib/philomena_web/templates/setting/edit.html.slime b/lib/philomena_web/templates/setting/edit.html.slime
index 4f212425..99d9811c 100644
--- a/lib/philomena_web/templates/setting/edit.html.slime
+++ b/lib/philomena_web/templates/setting/edit.html.slime
@@ -154,6 +154,10 @@ h1 Content Settings
         => label f, :webm, "Use video thumbnails"
         => checkbox f, :webm, checked: @conn.cookies["webm"] == "true"
         .fieldlabel: i Use video thumbnails for WebM videos. Does not apply to GIF images.
+      .field
+        => label f, :unmute_videos, "Enable video audio by default"
+        => checkbox f, :unmute_videos, checked: @conn.cookies["unmute_videos"] == "true"
+        .fieldlabel: i Automatically enable audio on videos when they are loaded.
       .field
         => label f, :hide_uploader
         => checkbox f, :hide_uploader, checked: @conn.cookies["hide_uploader"] == "true"