1 files changed, 4 insertions, 0 deletions
diff --git a/program/include/rcube_plugin_api.php b/program/include/rcube_plugin_api.php
index 4846cd91b..f9e067fdf 100644
--- a/program/include/rcube_plugin_api.php
+++ b/program/include/rcube_plugin_api.php
@@ -32,6 +32,7 @@ class rcube_plugin_api
   public $url = 'plugins/';
   public $output;
   public $config;
+  public $allowed_prefs = array();
   
   public $handlers = array();
   private $plugins = array();
@@ -182,6 +183,9 @@ class rcube_plugin_api
             $plugin->init();
             $this->plugins[$plugin_name] = $plugin;
           }
+          if (!empty($plugin->allowed_prefs)) {
+            $this->allowed_prefs = array_merge($this->allowed_prefs, $plugin->allowed_prefs);
+          }
           return true;
         }
       }