diff --git a/packages/internal/src/schemas/errors.ts b/packages/internal/src/schemas/errors.ts
index 57e9d8dd5..c4be47f69 100644
--- a/packages/internal/src/schemas/errors.ts
+++ b/packages/internal/src/schemas/errors.ts
@@ -7,3 +7,5 @@ export const ErrorWithMessage = z.object({
 export const ErrorWithStackSchema = ErrorWithMessage.extend({
   stack: z.string().optional(),
 });
+
+export type ErrorWithStack = z.infer<typeof ErrorWithStackSchema>;