diff --git a/package.json b/package.json
index b3fefa6..2947f39 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "scripts": {
         "prepare": "presetter bootstrap",
         "build": "presetter run build",
-        "build:wasm": "mkdir ./lib/wasm && tinygo build -o ./lib/wasm/bao.wasm -target wasm ./src/golang/main.go",
+        "build:wasm": "mkdir ./lib/wasm && cd src/golang; tinygo build -o ../lib/wasm/bao.wasm -target wasm ./main.go",
         "semantic-release": "semantic-release"
     },
     "dependencies": {