diff --git a/htdocs/install/mysql/migration/10.0.0-11.0.0.sql b/htdocs/install/mysql/migration/10.0.0-11.0.0.sql
index 4bacfa9b765..f8f5f912025 100644
--- a/htdocs/install/mysql/migration/10.0.0-11.0.0.sql
+++ b/htdocs/install/mysql/migration/10.0.0-11.0.0.sql
@@ -545,3 +545,6 @@ ALTER TABLE llx_mrp_production ADD INDEX idx_mrp_production_fk_mo (fk_mo);
 ALTER TABLE llx_emailcollector_emailcollector ADD UNIQUE INDEX uk_emailcollector_emailcollector_ref(ref, entity);
 
 ALTER TABLE llx_website ADD COLUMN use_manifest integer;
+
+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
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),