diff --git a/python/dune/perftool/options.py b/python/dune/perftool/options.py
index 3589f773f15c5002d452accbd242ebc3d6c5a96b..028e160fb23fb6d937d3e9bf19b6a3456a46c2e3 100644
--- a/python/dune/perftool/options.py
+++ b/python/dune/perftool/options.py
@@ -57,6 +57,7 @@ class PerftoolOptionsArray(ImmutableRecord):
     sumfact = PerftoolOption(default=False, helpstr="Use sumfactorization")
     vectorize_quad = PerftoolOption(default=False, helpstr="whether to generate code with explicit vectorization")
     vectorize_grads = PerftoolOption(default=False, helpstr="whether to generate code with explicit vectorization")
+    vectorize_slice = PerftoolOption(default=False, helpstr="whether to generate code with explicit vectorization")
     turn_off_diagonal_jacobian = PerftoolOption(default=False, helpstr="Do not use diagonal_jacobian transformation on the ufl tree and cast result of jacobianInverseTransposed into a FieldMatrix.")
     architecture = PerftoolOption(default="haswell", helpstr="The architecture to optimize for. Possible values: haswell|knl")