diff --git a/test/test_meshmode.py b/test/test_meshmode.py
index cd72983361476d5393fa6c85e863008b232b905e..1d2a954a299f0339115ddce81001257092f31485 100644
--- a/test/test_meshmode.py
+++ b/test/test_meshmode.py
@@ -176,7 +176,7 @@ def test_partition_interpolation(ctx_getter, group_factory, dim, mesh_pars,
         if e is not None:
             print("Error of connection from part %i to part %i." % (i, j))
             print(e)
-            assert(e.order_estimate() >= order - 0.5 or e.max_error() < 1e-13)
+            assert(e.order_estimate() >= order - 0.5 or e.max_error() < 1e-12)
 
 # }}}