diff --git a/pkg/argus_wasm_bg.wasm b/pkg/argus_wasm_bg.wasm
index 12fc8ec..05de648 100644
Binary files a/pkg/argus_wasm_bg.wasm and b/pkg/argus_wasm_bg.wasm differ
diff --git a/src/lib.rs b/src/lib.rs
index eb1f618..efc35ca 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -112,6 +112,7 @@ pub fn eval_boolean(s: &str, js_trace: JsValue) -> JsValue {
             });
         }
         Err(e) => {
+            console::debug_1(&JsValue::from_str("failed to evaluate expression"));
             return JsValue::from_str(format!("failed to evaluate expression: {}", e).as_str());
         }
     }