diff --git a/accessible/src/jsat/Presenters.jsm b/accessible/src/jsat/Presenters.jsm
index 5337227129a..e1cac5a86b7 100644
--- a/accessible/src/jsat/Presenters.jsm
+++ b/accessible/src/jsat/Presenters.jsm
@@ -23,11 +23,6 @@ var EXPORTED_SYMBOLS = ['VisualPresenter',
 function Presenter() {}
 
 Presenter.prototype = {
-  /**
-   * The padding in pixels between the object and the highlight border.
-   */
-  BORDER_PADDING: 2,
-
   /**
    * Attach function for presenter.
    * @param {ChromeWindow} aWindow Chrome window the presenter could use.
@@ -96,6 +91,11 @@ function VisualPresenter() {}
 
 VisualPresenter.prototype = new Presenter();
 
+/**
+ * The padding in pixels between the object and the highlight border.
+ */
+VisualPresenter.prototype.BORDER_PADDING = 2;
+
 VisualPresenter.prototype.attach = function(aWindow) {
   this.chromeWin = aWindow;