diff --git a/test/index.ts b/test/index.ts
index 66d0b20a..772c905a 100644
--- a/test/index.ts
+++ b/test/index.ts
@@ -18,7 +18,8 @@ async function main(): Promise<void> {
         const [cli, ...args] = resolveCliArgsFromVSCodeExecutablePath(vscodeExecutablePath);
         cp.spawnSync(cli, [...args, '--install-extension', 'redhat.java'], {
             encoding: 'utf-8',
-            stdio: 'inherit'
+            stdio: 'inherit',
+            shell: true
         });
 
         // The folder containing the Extension Manifest package.json