diff --git a/backend/src/tools/dateien/routes.js b/backend/src/tools/dateien/routes.js
index 98ed37c..c5b0cf3 100644
--- a/backend/src/tools/dateien/routes.js
+++ b/backend/src/tools/dateien/routes.js
@@ -92,7 +92,9 @@ router.get('/folders', authenticate, (req, res) => {
   };
   // Folders shared BY me
   const sharedByMeFolders = parentId ? [] : db.prepare(`
-    SELECT DISTINCT f.*, u.username as owner, GROUP_CONCAT(su.username) as shared_with_names
+    SELECT DISTINCT f.*, u.username as owner,
+      GROUP_CONCAT(su.username) as shared_with_names,
+      MIN(fs.created_at) as shared_at
     FROM folders f JOIN users u ON u.id=f.user_id
     JOIN folder_shares fs ON fs.folder_id=f.id
     JOIN users su ON su.id=fs.shared_with
@@ -165,7 +167,9 @@ router.get('/', authenticate, (req, res) => {
 
   // Files shared BY me
   const sharedByMe = folderId ? [] : db.prepare(`
-    SELECT DISTINCT f.*, u.username as owner, GROUP_CONCAT(su.username) as shared_with_names
+    SELECT DISTINCT f.*, u.username as owner,
+      GROUP_CONCAT(su.username) as shared_with_names,
+      MIN(s.created_at) as shared_at
     FROM files f JOIN users u ON u.id=f.user_id
     JOIN file_shares s ON s.file_id=f.id
     JOIN users su ON su.id=s.shared_with