diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0fff428f43..358466ad97 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -83,6 +83,7 @@ jobs:
             --install defcon \
             --install gadopt \
             --install asQ \
+            --package-branch tsfc ksagiyam/attach_dtype_to_nodes \
             || (cat firedrake-install.log && /bin/false)
       - name: Install test dependencies
         run: |
diff --git a/tests/regression/test_assemble.py b/tests/regression/test_assemble.py
index 9ee0e1d9e7..bd8f020e60 100644
--- a/tests/regression/test_assemble.py
+++ b/tests/regression/test_assemble.py
@@ -334,3 +334,13 @@ def test_assemble_sparsity_diagonal_entries_for_bc():
     A = assemble(inner(u[1], v[0]) * dx, bcs=[bc], mat_type="nest")
     # Make sure that diagonals are allocated.
     assert np.all(A.M.sparsity[1][1].nnz == np.ones(4, dtype=IntType))
+
+
+@pytest.mark.skipcomplex
+def test_assemble_power_zero_minmax():
+    mesh = UnitSquareMesh(1, 1)
+    V = FunctionSpace(mesh, "CG", 1)
+    f = Function(V).assign(1.)
+    g = Function(V).assign(2.)
+    assert assemble(zero()**min_value(f, g) * dx) == 0.0
+    assert assemble(zero()**max_value(f, g) * dx) == 0.0