diff --git a/justfile b/justfile
index 0fe36d9..79a6b0b 100644
--- a/justfile
+++ b/justfile
@@ -6,8 +6,8 @@ build: minify-js minify-rust minify-html
     cp front/style.css build/style.css
 
 build-rust:
-    cargo build --manifest-path pirates/Cargo.toml --target wasm32-unknown-unknown --release
-    cp pirates/target/wasm32-unknown-unknown/release/pirates.wasm front/index.wasm
+    cargo build --manifest-path pirates/Cargo.toml --target wasm32-unknown-unknown --features wasm --release
+    cp target/wasm32-unknown-unknown/release/pirates.wasm front/index.wasm
 
 minify-rust: build-rust build-dir
     wasm-strip front/index.wasm
diff --git a/pirates/Cargo.toml b/pirates/Cargo.toml
index fe8b79b..1b100e0 100644
--- a/pirates/Cargo.toml
+++ b/pirates/Cargo.toml
@@ -12,7 +12,7 @@ lto = true
 opt-level = 's'
 
 [lib]
-crate-type = ["lib"]
+crate-type = ["lib", "cdylib"]
 
 [dependencies]
 keycode = "0.4.0"
diff --git a/pirates/src/lib.rs b/pirates/src/lib.rs
index 1fc613d..52c3d1f 100644
--- a/pirates/src/lib.rs
+++ b/pirates/src/lib.rs
@@ -1,4 +1,4 @@
-#[cfg_attr(feature = "wasm", no_std)]
+#![cfg_attr(feature = "wasm", no_std)]
 
 #[cfg(feature = "wasm")]
 #[panic_handler]