diff --git a/misc/wasm/wasm_exec_node.js b/misc/wasm/wasm_exec_node.js
index 9860690..3674930 100644
--- a/misc/wasm/wasm_exec_node.js
+++ b/misc/wasm/wasm_exec_node.js
@@ -22,7 +22,8 @@ require("./wasm_exec");
 
 const go = new Go();
 go.argv = process.argv.slice(2);
-go.env = Object.assign({ TMPDIR: require("os").tmpdir() }, process.env);
+// to prevent `total length of command line and environment variables exceeds limit` error, ignore env.
+// go.env = Object.assign({ TMPDIR: require("os").tmpdir() }, process.env);
 go.exit = process.exit;
 WebAssembly.instantiate(fs.readFileSync(process.argv[2]), go.importObject).then((result) => {
 	process.on("exit", (code) => { // Node.js exits if no event handler is pending