diff --git a/tests/test_hook_ledger_entry.py b/tests/test_hook_ledger_entry.py
index feb876c05f24892e5b0338ecbd7f9068b5ef5334..fd233929f040bb7dd62b843d2ee68ed4f38b1863 100644
--- a/tests/test_hook_ledger_entry.py
+++ b/tests/test_hook_ledger_entry.py
@@ -182,6 +182,23 @@ def test_line1_not_custom_payee():
         "  Income:Donations  -15.00 USD",
     ]
 
+@pytest.mark.parametrize('amount,expect_fee', [
+    (40, 3),
+    (80, 6),
+])
+def test_conditional(amount, expect_fee):
+    expect_cash = amount - expect_fee
+    amount_s = '{:.02f}'.format(amount)
+    render_vars = template_vars('Buyer', amount_s)
+    lines = render_lines(render_vars, 'Conditional')
+    assert lines == [
+        "",
+        "2015/03/14 Buyer",
+        "  Assets:Cash  {:.02f} USD".format(expect_cash),
+        "  Expenses:Banking Fees  {:.02f} USD".format(expect_fee),
+        "  Income:Sales  -{} USD".format(amount_s),
+    ]
+
 @pytest.mark.parametrize('amount_expr', [
     '',
     'name',