diff --git a/src/render/hyperframes-runner.ts b/src/render/hyperframes-runner.ts
index 3f2c6a6..ea53cc5 100644
--- a/src/render/hyperframes-runner.ts
+++ b/src/render/hyperframes-runner.ts
@@ -26,7 +26,6 @@ export async function renderWithHyperframes(args: RenderArgs): Promise<void> {
   await new Promise<void>((resolve, reject) => {
     const proc = spawn("npx", spawnArgs, {
       stdio: ["ignore", "inherit", "inherit"],
-      shell: true,
     });
 
     proc.on("close", (code) => {