diff --git a/phpgwapi/js/jsapi/egw_config.js b/phpgwapi/js/jsapi/egw_config.js
index 875a2576ed..0a64a9691b 100644
--- a/phpgwapi/js/jsapi/egw_config.js
+++ b/phpgwapi/js/jsapi/egw_config.js
@@ -37,7 +37,7 @@ egw.extend('config', egw.MODULE_GLOBAL, function() {
 		{
 			if (typeof _app == 'undefined') _app = 'phpgwapi';
 
-			if (typeof this.configs[_app] == 'undefined') return null;
+			if (typeof this.configs == 'undefined' || typeof this.configs[_app] == 'undefined') return null;
 
 			return this.configs[_app][_name];
 		},