diff --git a/scripts/e2e.config.ts b/scripts/e2e.config.ts
index 520fc8338d..bc9a0b6773 100644
--- a/scripts/e2e.config.ts
+++ b/scripts/e2e.config.ts
@@ -142,6 +142,7 @@ export default {
         command: {
           executable: resolved.node,
           args: [startApp, "web", T3_HOME, LOOPBACK, "{port}"],
+          inheritEnv: ["T3_SCENARIO_INHERITED_GIT_DIR"],
           cwd: APP_DIR,
           startupTimeout: 300_000,
           log: ".e2e/app.log",
diff --git a/scripts/scenarios/start-app.ts b/scripts/scenarios/start-app.ts
index 5dee3f26c1..43c4aac402 100644
--- a/scripts/scenarios/start-app.ts
+++ b/scripts/scenarios/start-app.ts
@@ -155,6 +155,8 @@ const startApp = Effect.fn("startApp")(function* (input: {
       args: devRunner("dev:server", ports),
       env: {
         ...webEnv,
+        ...(hostEnvironment.T3_SCENARIO_INHERITED_GIT_DIR ? { GIT_DIR: hostEnvironment.T3_SCENARIO_INHERITED_GIT_DIR } : {}),
+        T3CODE_DEV_SEED: "0",
         T3CODE_DEV_ALLOWED_ORIGINS: origin,
         // Makes the startup pairing link reusable, so every test can sign in with it.
         T3CODE_DEV_AUTH_TOKEN: `${token}${token}`.replaceAll("-", ""),