diff --git a/.codecov.yaml b/.codecov.yaml
index 2c2196ab..70473515 100644
--- a/.codecov.yaml
+++ b/.codecov.yaml
@@ -1,3 +1,6 @@
+ignore:
+  - "rust/src/lib.rs"  # codecov seriously screws this one up, and thinks it has >1k lines despite having ~60
+
 component_management:
   default_rules:  # default rules that will be inherited by all components
     statuses:
diff --git a/rust/src/lib.rs b/rust/src/lib.rs
index b9b5dfe1..673d36a8 100644
--- a/rust/src/lib.rs
+++ b/rust/src/lib.rs
@@ -27,7 +27,7 @@ pub use crate::include::utils::{Answer,get_answer};
 #[cfg(any(target_arch="wasm32", target_arch="wasm64"))]
 #[wasm_bindgen]
 pub fn run_problem(n: usize) -> JsValue {
-    let Some((_, problem_function, _)) = get_problem(n) else { panic!() };
+    let Some((_, problem_function, _)) = get_problem(n) else { return JsValue::UNDEFINED };
     let answer = problem_function();
     return match answer {
         Answer::String(e) => JsValue::from_str(&e),