diff --git a/src/globals/test-extensions.php b/src/globals/test-extensions.php
index 8795d0a6..0fc910c6 100644
--- a/src/globals/test-extensions.php
+++ b/src/globals/test-extensions.php
@@ -228,6 +228,7 @@ switch ($argv[1] ?? null) {
         passthru($prefix . $build_cmd . (str_starts_with($argv[2], 'windows-') ? ' --build-cli' : (' --build-embed' . ($frankenphp ? ' --build-frankenphp' : ''))), $retcode);
         break;
     case 'doctor_cmd':
+        passthru($prefix . 'install-pkg zig', $retcode);
         passthru($prefix . $doctor_cmd, $retcode);
         break;
     case 'install_upx_cmd':