diff --git a/packages/opencode/script/publish.ts b/packages/opencode/script/publish.ts
index 5277744ad..1cc07d389 100755
--- a/packages/opencode/script/publish.ts
+++ b/packages/opencode/script/publish.ts
@@ -132,10 +132,10 @@ if (!Script.preview) {
     "package() {",
     `  cd "opencode-\${pkgver}/packages/opencode"`,
     '  mkdir -p "${pkgdir}/usr/bin"',
-    '  arch="x64"',
+    '  target_arch="x64"',
     '  case "$CARCH" in',
-    '    x86_64) arch="x64" ;;',
-    '    aarch64) arch="arm64" ;;',
+    '    x86_64) target_arch="x64" ;;',
+    '    aarch64) target_arch="arm64" ;;',
     '    *) printf "unsupported architecture: %s\\n" "$CARCH" >&2 ; return 1 ;;',
     "  esac",
     '  libc=""',
@@ -148,14 +148,14 @@ if (!Script.preview) {
     '    libc="-musl"',
     "  fi",
     '  base=""',
-    '  if [ "$arch" = "x64" ]; then',
+    '  if [ "$target_arch" = "x64" ]; then',
     "    if ! grep -qi avx2 /proc/cpuinfo 2>/dev/null; then",
     '      base="-baseline"',
     "    fi",
     "  fi",
-    '  bin="dist/opencode-linux-${arch}${base}${libc}/bin/opencode"',
+    '  bin="dist/opencode-linux-${target_arch}${base}${libc}/bin/opencode"',
     '  if [ ! -f "$bin" ]; then',
-    '    printf "unable to find binary for %s%s%s\\n" "$arch" "$base" "$libc" >&2',
+    '    printf "unable to find binary for %s%s%s\\n" "$target_arch" "$base" "$libc" >&2',
     "    return 1",
     "  fi",
     '  install -Dm755 "$bin" "${pkgdir}/usr/bin/opencode"',