Index: trunk/core/kernel/languages/phrases_cache.php
===================================================================
diff -u -N -r7635 -r8402
--- trunk/core/kernel/languages/phrases_cache.php	(.../phrases_cache.php)	(revision 7635)
+++ trunk/core/kernel/languages/phrases_cache.php	(.../phrases_cache.php)	(revision 8402)
@@ -26,7 +26,7 @@
 
 	function Init($prefix, $special = '')
 	{
-		$this->LanguageId = $this->Application->GetVar('m_lang');
+		$this->LanguageId = constOn('IS_INSTALL') ? 1 : $this->Application->GetVar('m_lang');
 		if (isset($this->Application->Caches['PhraseList'])) {
 			$this->LoadPhrases( $this->Application->Caches['PhraseList'] );
 		}