diff --git a/lib/index.iife.js b/lib/index.iife.js
index 60dc9cb..356f27a 100644
--- a/lib/index.iife.js
+++ b/lib/index.iife.js
@@ -19,6 +19,7 @@ var VueDemi = (function (VueDemi, Vue, VueCompositionAPI) {
     VueDemi.Vue2 = Vue
     VueDemi.version = Vue.version
     VueDemi.warn = Vue.util.warn
+    VueDime.hasInjectionContext = () => !!VueDemi.getCurrentInstance()
     function createApp(rootComponent, rootProps) {
       var vm
       var provide = {}
@@ -71,6 +72,7 @@ var VueDemi = (function (VueDemi, Vue, VueCompositionAPI) {
       VueDemi.Vue = Vue
       VueDemi.Vue2 = Vue
       VueDemi.version = Vue.version
+      VueDime.hasInjectionContext = () => !!VueDemi.getCurrentInstance()
     } else {
       console.error('[vue-demi] no VueCompositionAPI instance found, please be sure to import `@vue/composition-api` before `vue-demi`.')
     }