diff --git a/app/controllers/api/database.php b/app/controllers/api/database.php
index 4c87a6be1..16d320667 100644
--- a/app/controllers/api/database.php
+++ b/app/controllers/api/database.php
@@ -437,7 +437,7 @@ App::get('/v1/database/collections/:collectionId/documents')
         }
 
         $types = [];
-        foreach ($collection->getAttribute('rules') as $rule) {
+        foreach ($collection->getAttribute('rules', []) as $rule) {
             /** @var Document $rule */
             $types[$rule->getAttribute('key')] = $rule->getAttribute('type');
         }
@@ -630,4 +630,4 @@ App::delete('/v1/database/collections/:collectionId/documents/:documentId')
         ;
 
         $response->noContent();
-    });
\ No newline at end of file
+    });