diff --git a/app/static/js/ResourceLists/CorpusFileList.js b/app/static/js/ResourceLists/CorpusFileList.js
index 06f2f6f9..66bf3970 100644
--- a/app/static/js/ResourceLists/CorpusFileList.js
+++ b/app/static/js/ResourceLists/CorpusFileList.js
@@ -12,7 +12,7 @@ class CorpusFileList extends ResourceList {
       element.addEventListener('click', (event) => {this.onSelectionAction(event)});
     });
     this.isInitialized = false;
-    this.selectedItemIds = [];
+    this.selectedItemIds = new Set();
     this.userId = listContainerElement.dataset.userId;
     this.corpusId = listContainerElement.dataset.corpusId;
     this.hasPermissionView =  listContainerElement.dataset?.hasPermissionView == 'true' || false;
@@ -35,7 +35,7 @@ class CorpusFileList extends ResourceList {
         <tr class="list-item">
           <td>
             <label class="list-action-trigger ${this.hasPermissionView ? '' : 'hide'}" data-list-action="select">
-              <input type="checkbox">
+              <input class="select-checkbox" type="checkbox">
               <span class="disable-on-click"></span>
             </label>
           </td>
@@ -80,7 +80,7 @@ class CorpusFileList extends ResourceList {
           <tr>
             <th>
               <label class="selection-action-trigger ${this.listContainerElement.dataset?.hasPermissionView == 'true' ? '' : 'hide'}" data-selection-action="select-all">
-                <input type="checkbox">
+                <input class="select-all-checkbox" type="checkbox">
                 <span></span>
               </label>
             </th>
@@ -158,7 +158,7 @@ class CorpusFileList extends ResourceList {
               window.location.reload();
             });
           } else {
-            Requests.corpora.entity.followers.entity.delete(this.corpusId, followerId);
+            Requests.corpora.entity.followers.entity.delete(this.corpusId, itemId);
           }
         });
         modal.open();
@@ -173,13 +173,11 @@ class CorpusFileList extends ResourceList {
         break;
       }
       case 'select': {
+
         if (event.target.checked) {
-          this.selectedItemIds.push(itemId);
+          this.selectedItemIds.add(itemId);
         } else {
-          let index = this.selectedItemIds.indexOf(itemId);
-          if (index > -1) {
-            this.selectedItemIds.splice(index, 1);
-          }
+          this.selectedItemIds.delete(itemId);
         }
         this.renderingItemSelection();
       }
@@ -195,18 +193,19 @@ class CorpusFileList extends ResourceList {
     let items = this.listjs.items;
     let selectableItems = Array.from(items)
       .filter(item => item.elm)
-      .map(item => item.elm.querySelector('input[type="checkbox"]'));
+      .map(item => item.elm.querySelector('.select-checkbox[type="checkbox"]'));
 
     switch (selectionAction) {
       case 'select-all': {
-        let selectedIds = Array.from(items)
-          .map(item => item.values().id);
+        let selectedIds = new Set(Array.from(items)
+          .map(item => item.values().id))
         if (event.target.checked) {
           selectableItems.forEach(selectableItem => selectableItem.checked = true);
           this.selectedItemIds = selectedIds;
         } else {
           selectableItems.forEach(checkbox => checkbox.checked = false);
-          this.selectedItemIds = this.selectedItemIds.filter(id => !selectedIds.includes(id));
+          this.selectedItemIds = new Set([...this.selectedItemIds].filter(id => !selectedIds.has(id)));
+
         }
         this.renderingItemSelection();
         break;
@@ -249,9 +248,16 @@ class CorpusFileList extends ResourceList {
         let confirmElement = modalElement.querySelector('.action-button[data-action="confirm"]');
         confirmElement.addEventListener('click', (event) => {
           this.selectedItemIds.forEach(selectedItemId => {
-            Requests.corpora.entity.files.ent.delete(this.corpusId, selectedItemId);
+            if (currentUserId != this.userId) {
+              Requests.corpora.entity.files.ent.delete(this.corpusId, selectedItemId)
+              .then(() => {
+                window.location.reload();
+              });
+            } else {
+              Requests.corpora.entity.files.ent.delete(this.corpusId, selectedItemId);
+            }
           });
-          this.selectedItemIds = [];
+          this.selectedItemIds.clear();
           this.renderingItemSelection();
         });
         modal.open();
@@ -265,7 +271,7 @@ class CorpusFileList extends ResourceList {
           downloadLink.click();
         });
         selectableItems.forEach(checkbox => checkbox.checked = false);
-        this.selectedItemIds = [];
+        this.selectedItemIds.clear();
         this.renderingItemSelection();
         break;
       }  
@@ -287,7 +293,7 @@ class CorpusFileList extends ResourceList {
 
     Object.values(selectableItems).forEach(selectableItem => {
       if (selectableItem.elm) {
-        let checkbox = selectableItem.elm.querySelector('input[type="checkbox"]');
+        let checkbox = selectableItem.elm.querySelector('.select-checkbox[type="checkbox"]');
         if (checkbox.checked) {
           selectableItem.elm.classList.add('grey', 'lighten-3');
         } else {
@@ -305,7 +311,7 @@ class CorpusFileList extends ResourceList {
       }
     });
     // Hide item action buttons if > 0 item is selected and show selection action buttons
-    if (this.selectedItemIds.length > 0) {
+    if (this.selectedItemIds.size > 0) {
       selectionActionButtons.forEach(selectionActionButton => {
         selectionActionButton.classList.remove('hide');
       });