diff --git a/src/index.js b/src/index.js
index 4f92f4f..886f9b4 100644
--- a/src/index.js
+++ b/src/index.js
@@ -192,6 +192,7 @@ export default function install (Vue, options) {
       }
 
       scrollSpyElements[id] = el
+      delete currentIndex[id]
     },
     inserted: function (el) {
       initScrollSections(el)