diff --git a/crates/webidl/tests/all/enums.rs b/crates/webidl/tests/all/enums.rs
index 84b15884..6d3ac6d2 100644
--- a/crates/webidl/tests/all/enums.rs
+++ b/crates/webidl/tests/all/enums.rs
@@ -51,8 +51,8 @@ fn top_level_enum() {
 
             #[wasm_bindgen]
             pub fn test() {
-                let circle = Shape::new(ShapeType::Circle);
-                let square = Shape::new(ShapeType::Square);
+                let circle = Shape::new(ShapeType::Circle).unwrap();
+                let square = Shape::new(ShapeType::Square).unwrap();
                 assert!(circle.is_circle());
                 assert!(!circle.is_square());
                 assert!(square.is_square());