diff --git a/types/index.d.ts b/types/index.d.ts
index 82e1dfe..9b67de1 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -53,5 +53,6 @@ declare namespace parse {
   export { parse as default}
 }
 
+declare function parse(text: string | Buffer, options?: parse.ParseOptions): any
 declare function parse(text: string | Buffer, reviver?: parse.Reviver | null, options?: parse.ParseOptions): any
 export = parse
diff --git a/types/index.test-d.ts b/types/index.test-d.ts
index 200ad9c..b5832af 100644
--- a/types/index.test-d.ts
+++ b/types/index.test-d.ts
@@ -8,6 +8,10 @@ sjson.parse('"test"', null, { protoAction: 'remove' })
 expectError(sjson.parse('"test"', null, { protoAction: 'incorrect' }))
 sjson.parse('"test"', null, { constructorAction: 'ignore' })
 expectError(sjson.parse('"test"', null, { constructorAction: 'incorrect' }))
+expectError(sjson.parse('"test"', { constructorAction: 'incorrect' }))
+sjson.parse('test', { constructorAction: 'remove' })
+sjson.parse('test', { protoAction: 'ignore' })
+sjson.parse('test', () => {}, { protoAction: 'ignore', constructorAction: 'remove' })
 
 sjson.safeParse('"test"', null)
 sjson.safeParse('"test"')