diff --git a/library/Icinga/Application/Config.php b/library/Icinga/Application/Config.php
index 596e1fe2b..1c6b6ba49 100644
--- a/library/Icinga/Application/Config.php
+++ b/library/Icinga/Application/Config.php
@@ -165,7 +165,7 @@ class Config extends Zend_Config
      */
     public static function resolvePath($path)
     {
-        if (strpos($path, DIRECTORY_SEPARATOR) === 0) {
+        if (strpos($path, DIRECTORY_SEPARATOR) === 0 || self::$configDir === false) {
             return $path;
         }