diff --git a/login.php b/login.php
index e0da592..c98ae46 100644
--- a/login.php
+++ b/login.php
@@ -165,8 +165,12 @@ class LoginPageDispatcher extends KTDispatcher {
         $aRegisteredLangs = $oReg->geti18nLanguages('knowledgeTree');
         $aLanguageNames = $oReg->getLanguages('knowledgeTree');
         $aRegisteredLanguageNames = array();
-        foreach (array_keys($aRegisteredLangs) as $sLang) {
-            $aRegisteredLanguageNames[$sLang] = $aLanguageNames[$sLang];
+        if (!empty($aRegisteredLangs))
+        {
+        	foreach (array_keys($aRegisteredLangs) as $sLang)
+        	{
+        		$aRegisteredLanguageNames[$sLang] = $aLanguageNames[$sLang];
+        	}
         }
         $sLanguageSelect = $default->defaultLanguage;