diff --git a/phpgwapi/inc/class.config.inc.php b/phpgwapi/inc/class.config.inc.php
index 33c7c5f321..1e4c59f114 100755
--- a/phpgwapi/inc/class.config.inc.php
+++ b/phpgwapi/inc/class.config.inc.php
@@ -126,9 +126,8 @@ class config
 			throw new egw_exception_assertion_failed('$app parameter required for static call of config::save_value($name,$value,$app)!');
 		}
 		//echo "<p>config::save_value('$name','".print_r($value,True)."','$app')</p>\n";
-		if (!$app || isset($this) && $app == $this->appname)
+		if (!$app || isset($this) && is_a($this,'config') && $app == $this->appname)
 		{
-			$app = $this->appname;
 			$this->config_data[$name] = $value;
 		}
 		//echo "<p>config::save_value('$name','".print_r($value,True)."','$app')</p>\n";