diff --git a/importexport/inc/class.importexport_helper_functions.inc.php b/importexport/inc/class.importexport_helper_functions.inc.php
index be79135145..95a6e5b4fd 100755
--- a/importexport/inc/class.importexport_helper_functions.inc.php
+++ b/importexport/inc/class.importexport_helper_functions.inc.php
@@ -273,7 +273,7 @@ class importexport_helper_functions {
 		
 		foreach ($appnames as $appname) {
 			$appdir = EGW_INCLUDE_ROOT. "/$appname/inc";
-			if(!is_dir($appdir)) continue;
+			if(!is_dir($appdir) || !array_key_exists($GLOBALS['egw_info']['apps'], $appdir)) continue;
 			$d = dir($appdir);
 			
 			// step through each file in appdir