diff --git a/python/dune/codegen/sumfact/realization.py b/python/dune/codegen/sumfact/realization.py
index 8b585d4ce9a91c8565cb9e6b2b9b495b3734b2e6..14cd0b1d0fe3814f294c22bc00f25260f4ee0233 100644
--- a/python/dune/codegen/sumfact/realization.py
+++ b/python/dune/codegen/sumfact/realization.py
@@ -259,7 +259,7 @@ def realize_sumfact_kernel_function(sf):
             # at the same time store the instruction ID for the next instruction to depend on
             insn_dep = frozenset({instruction(assignee=prim.Subscript(prim.Variable(out), output_inames + vec_iname),
                                               expression=matprod,
-                                              **insn_args,
+                                              **insn_args
                                               )
                                   })