diff --git a/packages/preact/src/index.ts b/packages/preact/src/index.ts
index 5171394ae..f2968c0c5 100644
--- a/packages/preact/src/index.ts
+++ b/packages/preact/src/index.ts
@@ -271,7 +271,7 @@ hook(OptionsTypes.UNMOUNT, (old, vnode: VNode) => {
 
 /** Mark components that use hook state so we can skip sCU optimization. */
 hook(OptionsTypes.HOOK, (old, component, index, type) => {
-	if (type < 3)
+	if (type < 3 || type === 9)
 		(component as AugmentedComponent)._updateFlags |= HAS_HOOK_STATE;
 	old(component, index, type);
 });