diff --git a/package.json b/package.json
index 35bdb760..73fff5df 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "author": "Calvin Montgomery",
   "name": "CyTube",
   "description": "Online media synchronizer and chat",
-  "version": "3.18.3",
+  "version": "3.18.4",
   "repository": {
     "url": "http://github.com/calzoneman/sync"
   },
diff --git a/templates/head.pug b/templates/head.pug
index f537b15e..57d047aa 100644
--- a/templates/head.pug
+++ b/templates/head.pug
@@ -1,3 +1,5 @@
+- var DEFAULT_THEME = "/css/themes/slate.css";
+
 mixin head()
   meta(charset="utf-8")
   meta(name="viewport", content="width=device-width, initial-scale=1.0")
@@ -7,7 +9,10 @@ mixin head()
   title= siteTitle
   link(href="/css/sticky-footer-navbar.css", rel="stylesheet")
   link(href="/css/cytube.css", rel="stylesheet")
-  link(id="usertheme", href="/css/themes/slate.css", rel="stylesheet")
+  link(id="usertheme", href=DEFAULT_THEME, rel="stylesheet")
+
+  script(type="text/javascript").
+    var DEFAULT_THEME = '#{DEFAULT_THEME}';
   script(src="/js/theme.js")
   //[if lt IE 9]
     <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
diff --git a/www/js/data.js b/www/js/data.js
index 1d348208..440b0b38 100644
--- a/www/js/data.js
+++ b/www/js/data.js
@@ -97,7 +97,7 @@ function getOrDefault(k, def) {
 }
 
 var USEROPTS = {
-    theme                : getOrDefault("theme", "/css/themes/slate.css"),
+    theme                : getOrDefault("theme", DEFAULT_THEME), // Set in head template
     layout               : getOrDefault("layout", "fluid"),
     synch                : getOrDefault("synch", true),
     hidevid              : getOrDefault("hidevid", false),
@@ -204,9 +204,9 @@ function eraseCookie(name) {
 (function () {
     var localVersion = parseFloat(getOpt("version"));
     if (isNaN(localVersion)) {
-        USEROPTS.theme = "/css/themes/slate.css";
+        USEROPTS.theme = DEFAULT_THEME;
         USEROPTS.layout = "fluid";
-        setOpt("theme", "/css/themes/slate.css");
+        setOpt("theme", DEFAULT_THEME);
         setOpt("layout", "fluid");
         setOpt("version", CL_VERSION);
     }
diff --git a/www/js/theme.js b/www/js/theme.js
index 0d1e38be..e0690124 100644
--- a/www/js/theme.js
+++ b/www/js/theme.js
@@ -3,7 +3,8 @@
     return s.trim();
   });
 
-  var theme = "/css/themes/slate.css";
+  // Set in the head template.
+  var theme = DEFAULT_THEME;
   for (var i = 0; i < c.length; i++) {
     if (c[i].indexOf("cytube-theme=") === 0) {
       theme = c[i].split("=")[1];
@@ -15,8 +16,8 @@
     return;
   }
 
-  if (theme !== "/css/themes/slate.css") {
-    console.log("THEME COOKIE:", theme);
+  if (theme !== DEFAULT_THEME) {
+    console.info("THEME COOKIE:", theme);
     var cur = document.getElementById("usertheme");
     cur.parentNode.removeChild(cur);
     var css = document.createElement("link");
diff --git a/www/js/util.js b/www/js/util.js
index f767515b..d2564c40 100644
--- a/www/js/util.js
+++ b/www/js/util.js
@@ -696,7 +696,7 @@ function applyOpts() {
         var old = $("#usertheme").attr("id", "usertheme_old");
         var theme = USEROPTS.theme;
         if (theme === "default") {
-            theme = "/css/themes/slate.css";
+            theme = DEFAULT_THEME;
         }
         $("<link/>").attr("rel", "stylesheet")
             .attr("type", "text/css")