diff --git a/src/overlay/overlay.js b/src/overlay/overlay.js
index 5ecc65e..37e6b30 100644
--- a/src/overlay/overlay.js
+++ b/src/overlay/overlay.js
@@ -134,8 +134,8 @@
 				// position & dimensions 
 				var top = conf.top,					
 					 left = conf.left,
-					 oWidth = overlay.outerWidth({margin:true}),
-					 oHeight = overlay.outerHeight({margin:true}); 
+					 oWidth = overlay.outerWidth(true),
+					 oHeight = overlay.outerHeight(true);
 				
 				if (typeof top == 'string')  {
 					top = top == 'center' ? Math.max((w.height() - oHeight) / 2, 0) :