diff --git a/src/errors.ts b/src/errors.ts
index eda4169..41be0f2 100644
--- a/src/errors.ts
+++ b/src/errors.ts
@@ -1,3 +1,6 @@
+// get constructor parameters of Error
+type ErrorOptions = ConstructorParameters<typeof Error>[1];
+
 export class TsonError extends Error {
 	constructor(message: string, opts?: ErrorOptions) {
 		super(message, opts);