diff --git a/parallax.js b/parallax.js
index 00cae3b..f8d08d7 100644
--- a/parallax.js
+++ b/parallax.js
@@ -15,7 +15,7 @@ var Parallax = {
         window_top = $(window).scrollTop();
         window_bottom = window_top + $(window).height();
         $(this.ident).each(function(){
-            if (!is_on_screen(this) || !$(this).attr('parallax-offset') != false) { return; }
+            if (!is_on_screen(this) || !$(this).attr('parallax-offset')) { return; }
             element = $(this);
             center_pos = (element.offset().top - $(window).scrollTop()) + (element.height() / 2);
             perc = -(0.5 - ((window_top - center_pos) / window_bottom));