diff --git a/src/vueWrapper.ts b/src/vueWrapper.ts
index ea40eb2d2..27d5f9744 100644
--- a/src/vueWrapper.ts
+++ b/src/vueWrapper.ts
@@ -26,9 +26,9 @@ function createVMProxy<T extends ComponentPublicInstance>(
 ): T {
   return new Proxy(vm, {
     get(vm, key, receiver) {
-      if (vm.$.exposed && vm.$.exposeProxy && key in vm.$.exposeProxy!) {
+      if (vm.$.exposed && vm.$.exposeProxy && key in vm.$.exposeProxy) {
         // first if the key is exposed
-        return Reflect.get(vm.$.exposeProxy!, key, receiver)
+        return Reflect.get(vm.$.exposeProxy, key, receiver)
       } else if (key in setupState) {
         // second if the key is acccessible from the setupState
         return Reflect.get(setupState, key, receiver)