diff --git a/test.py b/test.py
index 30a772231d24fdd0566f2aed810de634e161d260..3f47ba1f761a7d75e2aa99bfc18fb88011daa878 100644
--- a/test.py
+++ b/test.py
@@ -152,7 +152,7 @@ def test_adjointness_wgridding(nxdirty, nydirty, nrow, nchan, epsilon):
     dirty2 = ng.vis2dirty(bl, conf, idx, vis, do_wstacking=True)
     vis2 = ng.dirty2vis(bl, conf, idx, dirty, do_wstacking=True)
     assert_allclose(np.vdot(vis, vis2).real, np.vdot(dirty2, dirty),
-                    rtol=2e-13)
+                    rtol=5e-13)
 
 
 @pmp("nxdirty", (128,))