diff --git a/lib/rules/valid-setup-define-expose.js b/lib/rules/valid-setup-define-expose.js
index 36834b7..c93e55a 100644
--- a/lib/rules/valid-setup-define-expose.js
+++ b/lib/rules/valid-setup-define-expose.js
@@ -137,7 +137,10 @@ module.exports = {
                 node.parent.key.name.name
               )
             ) {
-              if (node.parent.key.name.name === 'for-item') {
+              if (
+                node.parent.key.name.name === 'for-item' ||
+                node.parent.key.name.name === 'for-index'
+              ) {
                 exposeSet.add(ref.id.name)
               }
               continue