diff --git a/apps/desktop/tests/welcome-startup.spec.ts b/apps/desktop/tests/welcome-startup.spec.ts
index 4a823afdf9..146b2297eb 100644
--- a/apps/desktop/tests/welcome-startup.spec.ts
+++ b/apps/desktop/tests/welcome-startup.spec.ts
@@ -148,6 +148,7 @@ it('starts the Host for welcome onboarding and opens the workspace on skip witho
   vi.stubEnv('DSH_DESKTOP_NODE_BINARY', '/runtime/node')
   vi.stubEnv('DSH_DESKTOP_PNPM_ENTRY', '/runtime/pnpm')
   vi.stubEnv('DSH_DESKTOP_DSH_DIR', '/runtime/dsh')
+  vi.stubEnv('DSH_DESKTOP_PRIMARY_RUNTIME_DIR', '/runtime/primary-runtime')
   vi.stubEnv('DSH_DESKTOP_HOST_INSPECT_PORT', undefined)
   vi.stubEnv('DSH_DESKTOP_OPEN_DEVTOOLS', '0')
   vi.stubEnv('DSH_DESKTOP_MANDATORY_UPDATE_CONFIG', undefined)