diff --git a/python/dune/codegen/sumfact/geometry.py b/python/dune/codegen/sumfact/geometry.py
index ddb68dd006d5ff3bf1f3b5db09111f7c03b7f1d3..900230374f84d1ad3fcd59145d3408bb1fe487f5 100644
--- a/python/dune/codegen/sumfact/geometry.py
+++ b/python/dune/codegen/sumfact/geometry.py
@@ -383,7 +383,7 @@ class GeoCornersInput(SumfactKernelInterfaceBase, ImmutableCuttingRecord):
         this dict to create an interface.
         """
         dict = self.get_copy_kwargs()
-        del dict['_permutated_matrix_sequence']
+        del dict['_permuted_matrix_sequence']
         del dict['_quadrature_permutation']
         dict['matrix_sequence'] = None
         return dict