diff --git a/packages/ui/client/shim.d.ts b/packages/ui/client/shim.d.ts
index 266690864..d067630d9 100644
--- a/packages/ui/client/shim.d.ts
+++ b/packages/ui/client/shim.d.ts
@@ -9,6 +9,6 @@ declare interface Window {
 
 declare interface Error {
   VITEST_TEST_NAME?: string
-  VITEST_AFTER_ENV_TEARDOWN?: string
+  VITEST_AFTER_ENV_TEARDOWN?: boolean
   VITEST_TEST_PATH?: string
 }