diff --git a/src/components/autocomplete/Autocomplete.vue b/src/components/autocomplete/Autocomplete.vue
index a0978e85a..91f6604ea 100644
--- a/src/components/autocomplete/Autocomplete.vue
+++ b/src/components/autocomplete/Autocomplete.vue
@@ -664,7 +664,7 @@ export default {
         },
         updateAppendToBody() {
             const dropdownMenu = this.$refs.dropdown
-            const trigger = this.$refs.input.$el
+            const trigger = this.$parent.$data._isTaginput ? this.$parent.$el : this.$refs.input.$el
             if (dropdownMenu && trigger) {
                 // update wrapper dropdown
                 const root = this.$data._bodyEl