diff --git a/python/dolfinx/mesh.py b/python/dolfinx/mesh.py
index dde4ed8aed..28b9eb759e 100644
--- a/python/dolfinx/mesh.py
+++ b/python/dolfinx/mesh.py
@@ -558,7 +558,7 @@ def refine(
         mesh._cpp_object, edges, redistribute, ghost_mode, option
     )
     # Create new ufl domain as it will carry a reference to the C++ mesh in the ufl_cargo
-    ufl_domain = ufl.Mesh(mesh._ufl_domain.ufl_coordinate_element()) # type: ignore
+    ufl_domain = ufl.Mesh(mesh._ufl_domain.ufl_coordinate_element())  # type: ignore
     return Mesh(mesh1, ufl_domain), parent_cell, parent_facet