diff --git a/test/sumfact/stokes/stokes_3d_dg.mini b/test/sumfact/stokes/stokes_3d_dg.mini
index 7fb1b22ed1de823afff15f519beb4aa474a3ec11..2f19c49b5309d6e2ea28d966096b169a64d2693f 100644
--- a/test/sumfact/stokes/stokes_3d_dg.mini
+++ b/test/sumfact/stokes/stokes_3d_dg.mini
@@ -17,4 +17,5 @@ compare_l2errorsquared = 1e-10
 [formcompiler.r]
 numerical_jacobian = 0
 sumfact = 1
-fastdg = 1, 0 | expand fastdg
\ No newline at end of file
+fastdg = 1, 0 | expand fastdg
+geometry_mixins = sumfact_equidistant
\ No newline at end of file