diff --git a/modules/services/backup/default.nix b/modules/services/backup/default.nix
index bc55cba..c1e3c9a 100644
--- a/modules/services/backup/default.nix
+++ b/modules/services/backup/default.nix
@@ -116,6 +116,7 @@ in
         "/home/*/.gvfs"
         "/home/*/.local/share/Trash"
         "/home/*/.thumbnails"
+        "/home/*/.config/Element/Cache"
 
         # self-defined
         "/data/tmp"