diff --git a/includes/lang/gettext.inc b/includes/lang/gettext.inc
index 9f1a83817..3473cdf8d 100644
--- a/includes/lang/gettext.inc
+++ b/includes/lang/gettext.inc
@@ -297,7 +297,8 @@ class gettext_php_support extends gettext_native_support
 			$domain .= '-'.$version;
 		}
 
-        if (array_key_exists($domain, $this->_domains)) 
+        $domains = array_map(function($d) {return $d->name;}, $this->_domains);
+        if (in_array($domain, $domains))
         { 
             return; 
         }