diff --git a/python/dune/perftool/loopy/buffer.py b/python/dune/perftool/loopy/buffer.py
index 8a23a0002fa22292251ab868da544ea027c1abf1..c0e2ab310ce4cf6ddc8c8ea403d2e5cad1c63365 100644
--- a/python/dune/perftool/loopy/buffer.py
+++ b/python/dune/perftool/loopy/buffer.py
@@ -34,7 +34,7 @@ class FlipFlopBuffer(object):
         temporary_variable(name,
                            base_storage=base,
                            managed=True,
-                           aliases_base_storage=True,
+                           _base_storage_access_may_be_aliasing=True,
                            **kwargs
                            )