Fix Assert with the correct number type

diff --git a/include/deal.II/dofs/dof_accessor.templates.h b/include/deal.II/dofs/dof_accessor.templates.h
index 3563e3b4644c27b06ca056309ed39b9c4606fc5f..50918550967c942647d93910d034b15c7dc9fabc 100644 (file)
--- a/include/deal.II/dofs/dof_accessor.templates.h
+++ b/include/deal.II/dofs/dof_accessor.templates.h
@@ -1264,7 +1264,7 @@ namespace internal
                 ExcIndexRange (vertex_index, 0,
                                dof_handler.vertex_dof_offsets.size()));
         Assert (dof_handler.vertex_dof_offsets[vertex_index] !=
-                numbers::invalid_dof_index,
+                numbers::invalid_unsigned_int,
                 ExcMessage ("This vertex is unused and has no DoFs associated with it"));
 
         // hop along the list of index