diff --git a/htdocs/install/mysql/migration/11.0.0-12.0.0.sql b/htdocs/install/mysql/migration/11.0.0-12.0.0.sql
index 17996508e26..7d8cd906ffe 100644
--- a/htdocs/install/mysql/migration/11.0.0-12.0.0.sql
+++ b/htdocs/install/mysql/migration/11.0.0-12.0.0.sql
@@ -33,6 +33,10 @@
 
 
 -- For v12
+ALTER TABLE llx_bookmark DROP INDEX uk_bookmark_url;
+ALTER TABLE llx_bookmark MODIFY COLUMN url TEXT; -- change from VARCHAR(255) to allow longer URLs
+ALTER TABLE llx_bookmark ADD UNIQUE uk_bookmark_title (fk_user, title);
+
 
 ALTER TABLE llx_societe_rib ADD COLUMN stripe_account varchar(128);
 
@@ -53,7 +57,6 @@ ALTER TABLE llx_object_lang ADD UNIQUE INDEX uk_object_lang (fk_object, type_obj
 
 ALTER TABLE llx_accounting_account ADD COLUMN labelshort varchar(255) DEFAULT NULL after label;
 
+
 ALTER TABLE llx_subscription ADD COLUMN fk_user_creat   integer DEFAULT NULL;
 ALTER TABLE llx_subscription ADD COLUMN fk_user_valid   integer DEFAULT NULL;
-
-
diff --git a/htdocs/install/mysql/tables/llx_bookmark.key.sql b/htdocs/install/mysql/tables/llx_bookmark.key.sql
index f933939ceb7..7f4090d32f4 100644
--- a/htdocs/install/mysql/tables/llx_bookmark.key.sql
+++ b/htdocs/install/mysql/tables/llx_bookmark.key.sql
@@ -17,5 +17,4 @@
 -- ===================================================================
 
 
-ALTER TABLE llx_bookmark ADD UNIQUE uk_bookmark_url   (fk_user, url);
 ALTER TABLE llx_bookmark ADD UNIQUE uk_bookmark_title (fk_user, title);
diff --git a/htdocs/install/mysql/tables/llx_bookmark.sql b/htdocs/install/mysql/tables/llx_bookmark.sql
index 1c11525528c..6a76ed38343 100644
--- a/htdocs/install/mysql/tables/llx_bookmark.sql
+++ b/htdocs/install/mysql/tables/llx_bookmark.sql
@@ -21,7 +21,7 @@ create table llx_bookmark
   rowid       integer AUTO_INCREMENT PRIMARY KEY,
   fk_user     integer NOT NULL,
   dateb       datetime,
-  url         varchar(255) NOT NULL,
+  url         TEXT,
   target      varchar(16),
   title       varchar(64),
   favicon     varchar(24),