diff --git a/js/jquery.mobile.fixHeaderFooter.js b/js/jquery.mobile.fixHeaderFooter.js
index 9aa9e960..6695b54c 100644
--- a/js/jquery.mobile.fixHeaderFooter.js
+++ b/js/jquery.mobile.fixHeaderFooter.js
@@ -89,16 +89,17 @@ $.fixedToolbars = (function(){
 			thisCSStop = el.css('top') == 'auto' ? 0 : parseFloat(el.css('top')),
 			screenHeight = window.innerHeight,
 			thisHeight = el.outerHeight(),
+			useRelative = el.parents('.ui-page:not(.ui-page-fullscreen)').length,
 			relval;
 		if( el.is('.ui-header-fixed') ){
 			relval = fromTop - thisTop + thisCSStop;
 			if( relval < thisTop){ relval = 0; }
-			return el.css('top', (el.parents('.ui-page').length) ? relval : fromTop);
+			return el.css('top', ( useRelative ) ? relval : fromTop);
 		}
 		else{
 			relval = -1 * (thisTop - (fromTop + screenHeight) + thisCSStop + thisHeight);
 			if( relval > thisTop ){ relval = 0; }
-			return el.css('top', (el.parents('.ui-page').length) ? relval : fromTop + screenHeight - thisHeight );
+			return el.css('top', ( useRelative ) ? relval : fromTop + screenHeight - thisHeight );
 		}
 	}