diff --git a/phpgwapi/inc/class.translation.inc.php b/phpgwapi/inc/class.translation.inc.php
index 054301e8f5..8d802ccd83 100644
--- a/phpgwapi/inc/class.translation.inc.php
+++ b/phpgwapi/inc/class.translation.inc.php
@@ -493,7 +493,7 @@ class translation
 		{
 			return utf8_decode($data);
 		}
-		if (self::$mbstring && ($data = mb_convert_encoding($data,$to,$from)) != '')
+		if (self::$mbstring && ($data = @mb_convert_encoding($data,$to,$from)) != '')
 		{
 			return $data;
 		}