diff --git a/htdocs/blockedlog/class/blockedlog.class.php b/htdocs/blockedlog/class/blockedlog.class.php
index 47a02074dc3..46b212c30d8 100644
--- a/htdocs/blockedlog/class/blockedlog.class.php
+++ b/htdocs/blockedlog/class/blockedlog.class.php
@@ -795,6 +795,7 @@ class BlockedLog
 		if (empty($conf->global->BLOCKEDLOG_ENTITY_FINGERPRINT)) { // creation of a unique fingerprint
 
 			require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
+			require_once DOL_DOCUMENT_ROOT.'/core/lib/security2.lib.php';
 
 			$fingerprint = dol_hash(print_r($mysoc,true).getRandomPassword(1), '5');
 
diff --git a/htdocs/install/mysql/tables/llx_inventory.key.sql b/htdocs/install/mysql/tables/llx_inventory.key.sql
index b6c41f8aef1..a20fe45fe56 100644
--- a/htdocs/install/mysql/tables/llx_inventory.key.sql
+++ b/htdocs/install/mysql/tables/llx_inventory.key.sql
@@ -20,4 +20,4 @@
 ALTER TABLE llx_inventory ADD UNIQUE INDEX uk_inventory_ref (ref, entity);
 
 ALTER TABLE llx_inventory ADD INDEX idx_inventory_tms (tms);
-ALTER TABLE llx_inventory ADD INDEX idx_inventory_datec (datec);
+ALTER TABLE llx_inventory ADD INDEX idx_inventory_date_creation (date_creation);