diff --git a/meshmode/dof_array.py b/meshmode/dof_array.py
index 491c40d3..d4388f15 100644
--- a/meshmode/dof_array.py
+++ b/meshmode/dof_array.py
@@ -70,6 +70,7 @@
 
 @with_container_arithmetic(
         bcast_obj_array=True,
+        bcast_numpy_array=True,
         rel_comparison=True,
         bitwise=True,
         _cls_has_array_context_attr=True)