diff --git a/arraycontext/impl/pyopencl.py b/arraycontext/impl/pyopencl.py
index 9b02343812df3450455f5a45ac054e15e961f3b3..694ba141fc74d646ec1ed726fba1bbd82457a49e 100644
--- a/arraycontext/impl/pyopencl.py
+++ b/arraycontext/impl/pyopencl.py
@@ -40,6 +40,7 @@ from arraycontext.fake_numpy import \
         BaseFakeNumpyNamespace, BaseFakeNumpyLinalgNamespace
 from arraycontext.container.traversal import (rec_multimap_array_container,
                                               rec_map_array_container)
+from arraycontext.container import serialize_container
 from arraycontext.context import ArrayContext