diff --git a/htdocs/core/class/translate.class.php b/htdocs/core/class/translate.class.php
index 8f9dc32901d..dd5f1e6769d 100644
--- a/htdocs/core/class/translate.class.php
+++ b/htdocs/core/class/translate.class.php
@@ -781,6 +781,8 @@ class Translate
 			if (preg_match('/^[a-z]+_[A-Z]+/i', $dir))
 			{
 				$this->load("languages");
+				
+				if (! empty($conf->global->MAIN_LANGUAGES_ALLOWED) && ! in_array($dir, explode(',' , $conf->global->MAIN_LANGUAGES_ALLOWED)) ) continue;
 
 				if ($usecode == 2)
 				{