diff --git a/src/Migration/Sources/Appwrite.php b/src/Migration/Sources/Appwrite.php
index 47aa1af..44392d5 100644
--- a/src/Migration/Sources/Appwrite.php
+++ b/src/Migration/Sources/Appwrite.php
@@ -254,7 +254,7 @@ public function report(array $resources = []): array
                         )['files'];
 
                         $files = array_merge($files, $currentFiles);
-                        $lastFile = $files[count($files) - 1]['$id'];
+                        $lastFile = $files[count($files) - 1]['$id'] ?? null;
 
                         if (count($currentFiles) < 20) {
                             break;