diff --git a/sites/all/modules/services/servers/rest_server/includes/rest_server.views.inc b/sites/all/modules/services/servers/rest_server/includes/rest_server.views.inc
index 52f683b..af547e3 100644
--- a/sites/all/modules/services/servers/rest_server/includes/rest_server.views.inc
+++ b/sites/all/modules/services/servers/rest_server/includes/rest_server.views.inc
@@ -55,6 +55,9 @@ class RESTServerViewBuiltIn extends RESTServerView {
 
   private function render_yaml($data) {
     module_load_include('php', 'rest_server', 'lib/spyc');
+    if(empty($data)) {
+      $data = array();
+    }
     return Spyc::YAMLDump($data, 4, 60);
   }