diff --git a/packages/scripts/prepare.ts b/packages/scripts/prepare.ts
index 1c433334..aa52da7e 100644
--- a/packages/scripts/prepare.ts
+++ b/packages/scripts/prepare.ts
@@ -80,7 +80,12 @@ catch (error) {
 }
 
 consola.start('building the web_commons package...');
-exec('NODE_ENV=production pnpm -w web_common build', { cwd: env.__root }, (error, stdout, stderr) => {
+exec('pnpm -w web_common build', {
+	cwd: env.__root,
+	env: {
+		NODE_ENV: 'production',
+	},
+}, (error, stdout, stderr) => {
 	if (error) {
 		consola.error(`web_commons build failed: ${error.message}`);
 		env.__exit(1);