diff --git a/src/components/collapse/collapse.js b/src/components/collapse/collapse.js
index 748dc14e496..788996ca8d1 100644
--- a/src/components/collapse/collapse.js
+++ b/src/components/collapse/collapse.js
@@ -187,6 +187,9 @@ export default {
     }
     this.emitState()
   },
+  updated () {
+    this.$root.$emit(EVENT_STATE, this.id, this.show)
+  },
   beforeDestroy () {
     if (this.isNav && typeof document !== 'undefined') {
       window.removeEventListener('resize', this.handleResize, false)