diff --git a/library/Icinga/Cli/Loader.php b/library/Icinga/Cli/Loader.php
index 14a387a47..3921c56c5 100644
--- a/library/Icinga/Cli/Loader.php
+++ b/library/Icinga/Cli/Loader.php
@@ -453,8 +453,9 @@ class Loader
                 $cmd = strtolower($m[1]);
                 $commands[] = $cmd;
             }
-        }
-        sort($commands);
+	}
+	closedir($base);
+	sort($commands);
         return $commands;
     }