diff --git a/packages/opencode/script/build.ts b/packages/opencode/script/build.ts
index 055e7bbc9..98c332e32 100755
--- a/packages/opencode/script/build.ts
+++ b/packages/opencode/script/build.ts
@@ -112,7 +112,7 @@ for (const item of targets) {
       autoloadDotenv: false,
       target: name.replace(pkg.name, "bun") as any,
       outfile: `dist/${name}/bin/opencode`,
-      execArgv: [`--user-agent=opencode/${Script.version}`],
+      execArgv: [`--user-agent=opencode/${Script.version}`, "--"],
       windows: {},
     },
     entrypoints: ["./src/index.ts", parserWorker, workerPath],