diff --git a/python/dune/perftool/sumfact/geometry.py b/python/dune/perftool/sumfact/geometry.py
index 7b78de412d2e2c5a893e2d1d1d7e32315bd6aafd..1da61dc9cde04650c172d1583542a796cee9bc48 100644
--- a/python/dune/perftool/sumfact/geometry.py
+++ b/python/dune/perftool/sumfact/geometry.py
@@ -87,7 +87,7 @@ def pymbolic_spatial_coordinate_multilinear(do_predicates, visitor):
 
     from dune.perftool.sumfact.symbolic import SumfactKernel
     sf = SumfactKernel(matrix_sequence=matrix_sequence,
-                       input=inp,
+                       interface=inp,
                        )
 
     vsf = attach_vectorization_info(sf)