diff --git a/media/js/jquery.dataTables.js b/media/js/jquery.dataTables.js
index 61467532..72806450 100644
--- a/media/js/jquery.dataTables.js
+++ b/media/js/jquery.dataTables.js
@@ -3577,7 +3577,7 @@
 			.css( 'width', _fnStringToCss( sWidth ) )
 			.appendTo( nParent );
 	
-		var width = n.offsetWidth;
+		var width = n[0].offsetWidth;
 		n.remove();
 		
 		return width;
diff --git a/media/src/core/core.sizing.js b/media/src/core/core.sizing.js
index d933204e..013a0f17 100644
--- a/media/src/core/core.sizing.js
+++ b/media/src/core/core.sizing.js
@@ -21,7 +21,7 @@ function _fnConvertToWidth ( sWidth, nParent )
 		.css( 'width', _fnStringToCss( sWidth ) )
 		.appendTo( nParent );
 
-	var width = n.offsetWidth;
+	var width = n[0].offsetWidth;
 	n.remove();
 	
 	return width;