diff --git a/.changeset/afraid-dolls-walk.md b/.changeset/afraid-dolls-walk.md
new file mode 100644
index 00000000..d6dfe7d7
--- /dev/null
+++ b/.changeset/afraid-dolls-walk.md
@@ -0,0 +1,5 @@
+---
+"preact-render-to-string": patch 
+---
+
+fix external type definitions of `renderToString`
diff --git a/src/index.d.ts b/src/index.d.ts
index 113cbcb7..6b7b7e5d 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -1,7 +1,7 @@
 import { VNode } from 'preact';
 
-export default function renderToString(vnode: VNode, context?: any): string;
+export default function renderToString<P = {}>(vnode: VNode<P>, context?: any): string;
 
-export function render(vnode: VNode, context?: any): string;
-export function renderToString(vnode: VNode, context?: any): string;
-export function renderToStaticMarkup(vnode: VNode, context?: any): string;
+export function render<P = {}>(vnode: VNode<P>, context?: any): string;
+export function renderToString<P = {}>(vnode: VNode<P>, context?: any): string;
+export function renderToStaticMarkup<P = {}>(vnode: VNode<P>, context?: any): string;