diff --git a/src/preact.d.ts b/src/preact.d.ts
index a4ce14ece2..a981fdfa92 100644
--- a/src/preact.d.ts
+++ b/src/preact.d.ts
@@ -455,6 +455,7 @@ declare global {
 			onSearchCapture?: GenericEventHandler;
 			onSubmit?: GenericEventHandler;
 			onSubmitCapture?: GenericEventHandler;
+			onInvalid?: GenericEventHandler;
 
 			// Keyboard Events
 			onKeyDown?: KeyboardEventHandler;