diff --git a/packages/runtime-dom/src/directives/vModel.ts b/packages/runtime-dom/src/directives/vModel.ts
index 6ca363a9..b3e10a2a 100644
--- a/packages/runtime-dom/src/directives/vModel.ts
+++ b/packages/runtime-dom/src/directives/vModel.ts
@@ -18,7 +18,7 @@ import {
 type AssignerFn = (value: any) => void
 
 const getModelAssigner = (vnode: VNode): AssignerFn => {
-  const fn = vnode.props!['onUpdate:modelValue']
+  const fn = vnode.props!['onUpdate:modelValue'] || (__COMPAT__ && vnode.props!['onModelCompat:input'])
   return isArray(fn) ? value => invokeArrayFns(fn, value) : fn
 }