diff --git a/packages/opencode/script/publish.ts b/packages/opencode/script/publish.ts
index c38148b4..cfb98fff 100755
--- a/packages/opencode/script/publish.ts
+++ b/packages/opencode/script/publish.ts
@@ -39,6 +39,11 @@ for (const [os, arch] of targets) {
     "../tui",
   )
   await $`bun build --define OPENCODE_TUI_PATH="'../../../dist/${name}/bin/tui'" --define OPENCODE_VERSION="'${version}'" --compile --target=bun-${os}-${arch} --outfile=dist/${name}/bin/opencode ./src/index.ts`
+  // Run the binary only if it matches current OS/arch
+  if ((process.platform === (os === "windows" ? "win32" : os)) && (process.arch === arch || (process.arch === "x64" && arch === "x64-baseline"))) {
+    console.log(`smoke test: running dist/${name}/bin/opencode --version`)
+    await $`./dist/${name}/bin/opencode --version`
+  }
   await $`rm -rf ./dist/${name}/bin/tui`
   await Bun.file(`dist/${name}/package.json`).write(
     JSON.stringify(