diff --git a/vtlib/Vtiger/Deprecated.php b/vtlib/Vtiger/Deprecated.php
index d65cca2abf98120775fe0975e7ef7c1bd7f38733..bf47d8517030ee024ec5010384edfebf1e4d1629 100644
--- a/vtlib/Vtiger/Deprecated.php
+++ b/vtlib/Vtiger/Deprecated.php
@@ -622,6 +622,6 @@ class Vtiger_Deprecated {
 	static function return_app_list_strings_language($language, $module='Vtiger') {
 		require_once 'includes/runtime/LanguageHandler.php';
 		$strings = Vtiger_Language_Handler::getModuleStringsFromFile($language, $module);
-		return $strings['languageStrings'];
+		return isset($strings['languageStrings']) ? $strings['languageStrings'] : [];
 	}
 }
\ No newline at end of file