diff --git a/src/js/dashboard.js b/src/js/dashboard.js
index c94483035..99b0aa8fa 100644
--- a/src/js/dashboard.js
+++ b/src/js/dashboard.js
@@ -32,7 +32,7 @@
 var resizeFrame = function() {
     var navRect = document.getElementById('dashboard-nav').getBoundingClientRect();
     var viewRect = document.documentElement.getBoundingClientRect();
-    document.getElementById('iframe').style.setProperty('height', (viewRect.height - navRect.height) + 'px');
+    document.getElementById('iframe').style.setProperty('height', (viewRect.bottom - navRect.bottom) + 'px');
 };
 
 /******************************************************************************/