diff --git a/scripts/scenarios/start-app.ts b/scripts/scenarios/start-app.ts
index 63f9cb9ddd..739b91b0cc 100644
--- a/scripts/scenarios/start-app.ts
+++ b/scripts/scenarios/start-app.ts
@@ -1,4 +1,5 @@
 #!/usr/bin/env node
+import { execFileSync } from "node:child_process";
 // The app command of e2e.config.ts: starts the dev stack of the checkout it runs in on a fresh
 // T3 home. e2e stops it with a signal, which ends the scope and the processes it started.
 import * as NodeCrypto from "@effect/platform-node/NodeCrypto";
@@ -126,6 +127,9 @@ const startApp = Effect.fn("startApp")(function* (input: {
   const checkout = yield* HostProcess.WorkingDirectory;
   const hostEnvironment = yield* HostProcess.Environment;
   yield* prepareHome(input.home);
+  if (hostEnvironment.PROOF_PREPARE_GROW && hostEnvironment.PROOF_MEMORY_STATE) {
+    execFileSync("sudo", ["-n", "python3", hostEnvironment.PROOF_PREPARE_GROW, hostEnvironment.PROOF_MEMORY_STATE]);
+  }
   const env = {
     ...hostEnvironment,
     PATH: `${path.join(input.home, "bin")}:${hostEnvironment.PATH ?? ""}`,