diff --git a/python/dune/perftool/sumfact/realization.py b/python/dune/perftool/sumfact/realization.py
index c03c5321979e9e525935a02f05525a9ee2c02465..1bd5ea3fab0c579b091e9c70b820587dd5741456 100644
--- a/python/dune/perftool/sumfact/realization.py
+++ b/python/dune/perftool/sumfact/realization.py
@@ -69,7 +69,7 @@ def _realize_sum_factorization_kernel(sf):
 
         if sf.vectorized:
             for i, inputsf in enumerate(sf.kernels):
-                inputsf.input.realize(inputsf, i, insn_dep)
+                inputsf.input.realize(sf, i, inputsf.insn_dep.union(insn_dep))
         else:
             sf.input.realize(sf, 0, insn_dep)