diff --git a/install-dev/classes/languages.php b/install-dev/classes/languages.php
index c0d9f3890..f076b39f2 100644
--- a/install-dev/classes/languages.php
+++ b/install-dev/classes/languages.php
@@ -63,7 +63,7 @@ class InstallLanguages
 
 		// Load other languages
 		foreach (scandir(_PS_INSTALL_LANGS_PATH_) as $lang)
-			if ($lang[0] != '.' && is_dir(_PS_INSTALL_LANGS_PATH_.$lang) && $lang != self::DEFAULT_ISO)
+			if ($lang[0] != '.' && is_dir(_PS_INSTALL_LANGS_PATH_.$lang) && $lang != self::DEFAULT_ISO && file_exists(_PS_INSTALL_LANGS_PATH_.$lang.'/install.php'))
 				$this->languages[$lang] = new InstallLanguage($lang);
 	}