diff --git a/common/content/commandline.js b/common/content/commandline.js
index 90ad8dd5..08f091ff 100644
--- a/common/content/commandline.js
+++ b/common/content/commandline.js
@@ -148,12 +148,6 @@ var CommandWidgets = Class("CommandWidgets", {
                 return this.commandbar;
             }
         });
-
-        let fontSize = util.computedStyle(document.documentElement).fontSize;
-        styles.system.add("font-size", "dactyl://content/buffer.xhtml",
-                          "body { font-size: " + fontSize + "; } \
-                           html|html > xul|scrollbar { visibility: collapse !important; }",
-                          true);
     },
     addElement: function addElement(obj) {
         const self = this;
diff --git a/common/content/mow.js b/common/content/mow.js
index bccff26c..6a8ff4d7 100644
--- a/common/content/mow.js
+++ b/common/content/mow.js
@@ -8,6 +8,12 @@
 var MOW = Module("mow", {
     init: function () {
 
+        let fontSize = util.computedStyle(document.documentElement).fontSize;
+        styles.system.add("font-size", "dactyl://content/buffer.xhtml",
+                          "body { font-size: " + fontSize + "; } \
+                           html|html > xul|scrollbar { visibility: collapse !important; }",
+                          true);
+
         XML.ignoreWhitespace = true;
         util.overlayWindow(window, {
             objects: {