diff --git a/installer/data/mysql/fr-FR/1-Obligatoire/subtag_registry.sql b/installer/data/mysql/fr-FR/1-Obligatoire/subtag_registry.sql
index 0d0f2cfa44..59db6bb80f 100644
--- a/installer/data/mysql/fr-FR/1-Obligatoire/subtag_registry.sql
+++ b/installer/data/mysql/fr-FR/1-Obligatoire/subtag_registry.sql
@@ -273,7 +273,7 @@ INSERT INTO language_subtag_registry( subtag, type, description, added)
 VALUES ( 'it', 'language', 'Italian','2005-10-16' );
 
 INSERT INTO language_rfc4646_to_iso639(rfc4646_subtag,iso639_2_code)
-VALUES( 'it','ind');
+VALUES( 'it','ita');
 
 INSERT INTO language_descriptions(subtag, type, lang, description)
 VALUES( 'it', 'language', 'it', 'Italiano');
diff --git a/installer/data/mysql/it-IT/necessari/subtag_registry.sql b/installer/data/mysql/it-IT/necessari/subtag_registry.sql
index db92311de0..43e5a14499 100644
--- a/installer/data/mysql/it-IT/necessari/subtag_registry.sql
+++ b/installer/data/mysql/it-IT/necessari/subtag_registry.sql
@@ -314,7 +314,7 @@ INSERT INTO language_subtag_registry( subtag, type, description, added)
 VALUES ( 'it', 'language', 'Italian','2005-10-16' );
 
 INSERT INTO language_rfc4646_to_iso639(rfc4646_subtag,iso639_2_code)
-VALUES( 'it','ind');
+VALUES( 'it','ita');
 
 INSERT INTO language_descriptions(subtag, type, lang, description)
 VALUES( 'it', 'language', 'it', 'Italiano');
diff --git a/installer/data/mysql/pl-PL/mandatory/subtag_registry.sql b/installer/data/mysql/pl-PL/mandatory/subtag_registry.sql
index d27be70432..09561a928e 100644
--- a/installer/data/mysql/pl-PL/mandatory/subtag_registry.sql
+++ b/installer/data/mysql/pl-PL/mandatory/subtag_registry.sql
@@ -312,7 +312,7 @@ INSERT INTO language_subtag_registry( subtag, type, description, added)
 VALUES ( 'it', 'language', 'Italian','2005-10-16' );
 
 INSERT INTO language_rfc4646_to_iso639(rfc4646_subtag,iso639_2_code)
-VALUES( 'it','ind');
+VALUES( 'it','ita');
 
 INSERT INTO language_descriptions(subtag, type, lang, description)
 VALUES( 'it', 'language', 'it', 'Italiano');
diff --git a/installer/data/mysql/ru-RU/mandatory/subtag_registry.sql b/installer/data/mysql/ru-RU/mandatory/subtag_registry.sql
index f494babaee..3403d0fc77 100644
--- a/installer/data/mysql/ru-RU/mandatory/subtag_registry.sql
+++ b/installer/data/mysql/ru-RU/mandatory/subtag_registry.sql
@@ -312,7 +312,7 @@ INSERT INTO language_subtag_registry( subtag, type, description, added)
 VALUES ( 'it', 'language', 'Italian','2005-10-16' );
 
 INSERT INTO language_rfc4646_to_iso639(rfc4646_subtag,iso639_2_code)
-VALUES( 'it','ind');
+VALUES( 'it','ita');
 
 INSERT INTO language_descriptions(subtag, type, lang, description)
 VALUES( 'it', 'language', 'it', 'Italiano');
diff --git a/installer/data/mysql/uk-UA/mandatory/subtag_registry.sql b/installer/data/mysql/uk-UA/mandatory/subtag_registry.sql
index f494babaee..3403d0fc77 100644
--- a/installer/data/mysql/uk-UA/mandatory/subtag_registry.sql
+++ b/installer/data/mysql/uk-UA/mandatory/subtag_registry.sql
@@ -312,7 +312,7 @@ INSERT INTO language_subtag_registry( subtag, type, description, added)
 VALUES ( 'it', 'language', 'Italian','2005-10-16' );
 
 INSERT INTO language_rfc4646_to_iso639(rfc4646_subtag,iso639_2_code)
-VALUES( 'it','ind');
+VALUES( 'it','ita');
 
 INSERT INTO language_descriptions(subtag, type, lang, description)
 VALUES( 'it', 'language', 'it', 'Italiano');
diff --git a/installer/data/mysql/updatedatabase.pl b/installer/data/mysql/updatedatabase.pl
index 08722ccfdf..1ddca1f7eb 100755
--- a/installer/data/mysql/updatedatabase.pl
+++ b/installer/data/mysql/updatedatabase.pl
@@ -7029,6 +7029,12 @@ INSERT INTO systempreferences (variable,value,explanation,options,type) VALUES (
     SetVersion($DBversion);
 }
 
+$DBversion = "3.13.00.XXX";
+if ( CheckVersion($DBversion) ) {
+    $dbh->do("UPDATE language_rfc4646_to_iso639 SET iso639_2_code='ita' WHERE rfc4646_subtag='it'");
+    print "Upgrade to $DBversion done (Bug 9519: Wrong language code for Italian in the advanced search language limitations)\n";
+    SetVersion($DBversion);
+}
 
 =head1 FUNCTIONS