diff --git a/_test/test_dnd_class/test_smooth.m b/_test/test_dnd_class/test_smooth.m
index cab994663c..98cae6c77c 100644
--- a/_test/test_dnd_class/test_smooth.m
+++ b/_test/test_dnd_class/test_smooth.m
@@ -84,8 +84,8 @@ function test_smooth_array_width_arg(obj)
         end
 
         function test_smooth_resolution_shape_arg(obj)
-            skipTest('No valid agruments allowed for ''resolution'' shape call bug #628');
-            d2d_obj = d2d(obj.test_sqw_2d_fullpath);
+            %skipTest('No valid agruments allowed for ''resolution'' shape call bug #628');
+            d2d_obj = read_dnd(obj.test_sqw_2d_fullpath);
 
             d = d2d_obj.smooth([100, 201, 301], 'resolution');