diff --git a/test/blockstructured/poisson/poisson_matrix_free.mini b/test/blockstructured/poisson/poisson_matrix_free.mini
index e6b9af12a01c46fe8d6361050a341b7769a3e484..f3705d6ac8197cc386971ed24d1781e8e04ea1cd 100644
--- a/test/blockstructured/poisson/poisson_matrix_free.mini
+++ b/test/blockstructured/poisson/poisson_matrix_free.mini
@@ -14,4 +14,7 @@ compare_l2errorsquared = 1e-7
 [formcompiler.r]
 matrix_free = 1
 blockstructured = 1
-number_of_blocks = 4
\ No newline at end of file
+number_of_blocks = 4
+
+[formcompiler.ufl_variants]
+cell = quadrilateral
\ No newline at end of file