diff --git a/test/sumfact/poisson/poisson_fastdg_2d_gmsh.mini b/test/sumfact/poisson/poisson_fastdg_2d_gmsh.mini
index 56b69c773b1ce95fa6387f5313af47a94980f8c0..651c14b14555f35fd52429ad8f56bdbd04acce64 100644
--- a/test/sumfact/poisson/poisson_fastdg_2d_gmsh.mini
+++ b/test/sumfact/poisson/poisson_fastdg_2d_gmsh.mini
@@ -27,6 +27,7 @@ fastdg = 1
 sumfact_regular_jacobians = 1
 vectorization_quadloop = 1, 0 | expand quad
 vectorization_strategy = model, none | expand grad
+geometry_mixins = sumfact_multilinear
 
 [formcompiler.ufl_variants]
 degree = 1, 2 | expand deg