diff --git a/setup/lang/phpgw_de.lang b/setup/lang/phpgw_de.lang
index 980a1856f0..b0a070ccd3 100644
--- a/setup/lang/phpgw_de.lang
+++ b/setup/lang/phpgw_de.lang
@@ -377,6 +377,7 @@ the first step in installing egroupware is to ensure your environment has the ne
 the following applications need to be upgraded:	setup	de	Die folgenden Anwendungen müssen aktualisiert werden:
 the imap extension is needed by the two email apps (even if you use email with pop3 as protocoll).	setup	de	Die imap Erweiterung (php extension) wird von den beiden Email Applikationen benötigt (auch wenn Sie das POP3-Protokoll verwenden).
 the mbstring extension is needed to fully support unicode (utf-8) or other multibyte-charsets.	setup	de	Die mbstring Erweiterung (php extension) ist notwendig um Unicode (utf-8) oder andere mehr-byte (multibyte) Zeichensätze vollständig zu unterstützen.
+the mbstring.func_overload = 7 is needed to fully support unicode (utf-8) or other multibyte-charsets.	setup	de	Die Einstellung mbstring.func_overload = 7 ist notwendig um Unicode (utf-8) oder andere mehr-byte (multibyte) Zeichensätze vollständig zu unterstützen.
 the table definition was correct, and the tables were installed	setup	de	Die Tabellen Definition war korrekt und die Tabellen wurden installiert
 the tables	setup	de	die Tabellen
 there was a problem tring to connect to your ldap server. <br>please check your ldap server configuration	setup	de	Es gab ein Problem bei dem Versuch, eine Verbindung mit Ihrem LDAP-Server aufzubauen. <br>Bitte &uuml;berpr&uuml;fen Sie die Konfiguration Ihres LDAP-Servers.
diff --git a/setup/lang/phpgw_en.lang b/setup/lang/phpgw_en.lang
index 4089fc52db..67b32460c5 100644
--- a/setup/lang/phpgw_en.lang
+++ b/setup/lang/phpgw_en.lang
@@ -374,6 +374,7 @@ the first step in installing egroupware is to ensure your environment has the ne
 the following applications need to be upgraded:	setup	en	The following applications need to be upgraded:
 the imap extension is needed by the two email apps (even if you use email with pop3 as protocoll).	setup	en	The imap extension is needed by the two email apps (even if you use email with pop3 as protocoll).
 the mbstring extension is needed to fully support unicode (utf-8) or other multibyte-charsets.	setup	en	The mbstring extension is needed to fully support unicode (utf-8) or other multibyte-charsets.
+the mbstring.func_overload = 7 is needed to fully support unicode (utf-8) or other multibyte-charsets.	setup	en	The mbstring.func_overload = 7 is needed to fully support unicode (utf-8) or other multibyte-charsets.
 the table definition was correct, and the tables were installed	setup	en	The table definition was correct, and the tables were installed
 the tables	setup	en	the tables
 there was a problem trying to connect to your ldap server. <br>	setup	en	There was a problem trying to connect to your LDAP server. <br>