diff --git a/qualtran/bloqs/chemistry/trotter/hubbard/hubbard.ipynb b/qualtran/bloqs/chemistry/trotter/hubbard/hubbard.ipynb
index 54fab69e6..0d46f45fd 100644
--- a/qualtran/bloqs/chemistry/trotter/hubbard/hubbard.ipynb
+++ b/qualtran/bloqs/chemistry/trotter/hubbard/hubbard.ipynb
@@ -616,7 +616,7 @@
    "outputs": [],
    "source": [
     "length = 8\n",
-    "angle = 0.5\n",
+    "angle = 0.52728\n",
     "hubb_u = 4.0\n",
     "interaction_hwp = InteractionHWP(length, angle, hubb_u)"
    ]
diff --git a/qualtran/bloqs/chemistry/trotter/hubbard/trotter_step_test.py b/qualtran/bloqs/chemistry/trotter/hubbard/trotter_step_test.py
index c69b7b196..0bcdb6e32 100644
--- a/qualtran/bloqs/chemistry/trotter/hubbard/trotter_step_test.py
+++ b/qualtran/bloqs/chemistry/trotter/hubbard/trotter_step_test.py
@@ -29,7 +29,7 @@ def test_second_order_suzuki_costs():
     # there are 3 hopping unitaries contributing 8 Ts from from the F gate
     assert costs.total_t_count(ts_per_rotation=0) == (3 * length**2 // 2) * 8
     # 3 hopping unitaries and 2 interaction unitaries
-    assert costs.rotation == (3 * length**2 + 2 * length**2), 3 * length**2 + 2 * length**2
+    assert costs.rotation == (3 * length**2 + 2 * length**2)
 
 
 @pytest.mark.notebook