diff --git a/decls/i18n.js b/decls/i18n.js
index b192da890..e7c934e16 100644
--- a/decls/i18n.js
+++ b/decls/i18n.js
@@ -100,6 +100,7 @@ declare type I18nOptions = {
   postTranslation?: PostTranslationHandler,
   componentInstanceCreatedListener?: ComponentInstanceCreatedListener,
   escapeParameterHtml?: boolean,
+  __VUE_I18N_BRIDGE__?: string,
 };
 
 declare type IntlAvailability = {
diff --git a/src/index.js b/src/index.js
index 559c7cfd6..e0c539101 100644
--- a/src/index.js
+++ b/src/index.js
@@ -63,6 +63,7 @@ export default class VueI18n {
   _warnHtmlInMessage: WarnHtmlInMessageLevel
   _escapeParameterHtml: boolean
   _postTranslation: ?PostTranslationHandler
+  __VUE_I18N_BRIDGE__: ?string
   pluralizationRules: {
     [lang: string]: (choice: number, choicesLength: number) => number
   }
@@ -116,6 +117,10 @@ export default class VueI18n {
     this._postTranslation = options.postTranslation || null
     this._escapeParameterHtml = options.escapeParameterHtml || false
 
+    if ('__VUE_I18N_BRIDGE__' in options) {
+      this.__VUE_I18N_BRIDGE__ = options.__VUE_I18N_BRIDGE__
+    }
+
     /**
      * @param choice {number} a choice index given by the input to $tc: `$tc('path.to.rule', choiceIndex)`
      * @param choicesLength {number} an overall amount of available choices