diff --git a/client/src/adc-core/fields/AuthorField.vue b/client/src/adc-core/fields/AuthorField.vue
index 93d7df1c5..ad1d1da15 100644
--- a/client/src/adc-core/fields/AuthorField.vue
+++ b/client/src/adc-core/fields/AuthorField.vue
@@ -199,7 +199,7 @@ export default {
       ) {
         this.new_authors_paths = "noone";
       } else if (Array.isArray(this.authors_paths)) {
-        this.new_authors_paths = this.new_authors_paths.reduce((acc, a) => {
+        this.new_authors_paths = this.authors_paths.reduce((acc, a) => {
           const author = this.getAuthor(a);
           if (author) acc.push(author.$path);
           return acc;
diff --git a/client/src/mixins/Authors.js b/client/src/mixins/Authors.js
index b3e47ae30..d74dae8f7 100644
--- a/client/src/mixins/Authors.js
+++ b/client/src/mixins/Authors.js
@@ -34,10 +34,7 @@ export default {
       return false;
     },
     getAuthor(author_path) {
-      const folder_path = author_path.substring(
-        0,
-        author_path.lastIndexOf("/")
-      );
+      const folder_path = this.getParent(author_path);
       if (!folder_path || !this.$api.store[folder_path]) return false;
       return this.$api.store[folder_path].find((f) => f.$path === author_path);
     },