diff --git a/sysutils/nextcloud-backup/src/opnsense/mvc/app/library/OPNsense/Backup/Nextcloud.php b/sysutils/nextcloud-backup/src/opnsense/mvc/app/library/OPNsense/Backup/Nextcloud.php
index 6f72ba479e..a2ecc3bc09 100644
--- a/sysutils/nextcloud-backup/src/opnsense/mvc/app/library/OPNsense/Backup/Nextcloud.php
+++ b/sysutils/nextcloud-backup/src/opnsense/mvc/app/library/OPNsense/Backup/Nextcloud.php
@@ -150,11 +150,14 @@ public function backup()
             // Get list of files from local backup system
             $local_files = array();
             $tmp_local_files = scandir('/conf/backup/');
-            // Remove '.' and '..'
+            // Remove '.' and '..', skip directories
             foreach ($tmp_local_files as $tmp_local_file) {
                 if ($tmp_local_file === '.' || $tmp_local_file === '..') {
                     continue;
                 }
+                if (!is_file("/conf/backup/".$tmp_local_file)) {
+                    continue;
+                }
                 $local_files[] = $tmp_local_file;
             }