diff --git a/src/psc/gallery/examples/interest_calculator/calculator.py b/src/psc/gallery/examples/interest_calculator/calculator.py
index 9383ffc..f0ddb80 100644
--- a/src/psc/gallery/examples/interest_calculator/calculator.py
+++ b/src/psc/gallery/examples/interest_calculator/calculator.py
@@ -27,3 +27,6 @@ def setup():
     """When Pyodide starts up, enable the Calculate button."""
     calculate_button = Element("calc")  # noqa
     calculate_button.element.removeAttribute("disabled")
+
+
+setup()
diff --git a/src/psc/gallery/examples/interest_calculator/index.html b/src/psc/gallery/examples/interest_calculator/index.html
index c9e8635..7b61460 100644
--- a/src/psc/gallery/examples/interest_calculator/index.html
+++ b/src/psc/gallery/examples/interest_calculator/index.html
@@ -72,10 +72,7 @@
         </div>
 
         <py-config src="../py_config.toml"></py-config>
-        <py-script src="calculator.py"></py-script>
-        <py-script>
-                setup()
-        </py-script>
+        <py-script src="./calculator.py"></py-script>
     </section>
 </section>
 
diff --git a/tests/examples/test_interest_calculator.py b/tests/examples/test_interest_calculator.py
index 156a401..a5696d2 100644
--- a/tests/examples/test_interest_calculator.py
+++ b/tests/examples/test_interest_calculator.py
@@ -10,14 +10,14 @@
 
 def test_calculator(fake_document: FakeDocument, fake_element: FakeElement) -> None:
     """Ensure the loaded interest function works correctly."""
-    from psc.gallery.examples.interest_calculator.calculator import interest
-
     fake_document.values["principal"] = "100"
     fake_document.values["interest_rate"] = "0.1"
     fake_document.values["time"] = "10"
     fake_document.values["simple_interest"] = "0.1"
     fake_document.values["compound_interest"] = "0.1"
     fake_document.values["calc"] = "Calculate"
+    from psc.gallery.examples.interest_calculator.calculator import interest
+
     interest()  # type: ignore
     assert fake_document.log[0] == "simple interest: 200"
     assert fake_document.log[1] == "compound interest: 259"