diff --git a/Makefile b/Makefile
index 96d9ed5..57c0c68 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@
 all: build 
 
 build:
-	wasm-pack build --target web --out-name wasm --out-dir ./static
+	wasm-pack build --dev --target web --out-name wasm --out-dir ./static
 
 build-doc:
 	cargo doc --all --no-deps
diff --git a/src/lib.rs b/src/lib.rs
index 6edbf31..829180d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -15,8 +15,7 @@ mod utils;
 
 #[wasm_bindgen(start)]
 pub fn run_app() {
-    // TODO: fix debug/release setup
-    // #[cfg(debug_assertions)]
+    #[cfg(debug_assertions)]
     panic::set_hook(Box::new(console_error_panic_hook::hook));
 
     App::<app::App>::new().mount_to_body();