diff --git a/grudge/function_registry.py b/grudge/function_registry.py
index 31961b6f48a26183b09c6673e04e860eeb7128d1..111443c41a7c12f155222bb06bb0ac636c0bde87 100644
--- a/grudge/function_registry.py
+++ b/grudge/function_registry.py
@@ -29,6 +29,7 @@ THE SOFTWARE.
 import loopy as lp
 import numpy as np
 
+from loopy.version import LOOPY_USE_LANGUAGE_VERSION_2018_1  # noqa
 from pytools import RecordWithoutPickling, memoize_in