diff --git a/src/store/modules/datas.js b/src/store/modules/datas.js
index 92cab95..bc02e0d 100644
--- a/src/store/modules/datas.js
+++ b/src/store/modules/datas.js
@@ -52,7 +52,7 @@ export default {
           if (invert) {
             return tags.some(t => {
               return row.tags.map(t => t.name.toLowerCase())
-                .ÿEindexOf(t.toLowerCase()) < 0
+                .indexOf(t.toLowerCase()) < 0
             })
           } else {
             return tags.every(t => {