diff --git a/htdocs/core/modules/import/import_csv.modules.php b/htdocs/core/modules/import/import_csv.modules.php
index 22c12024c2b..e1699660acc 100644
--- a/htdocs/core/modules/import/import_csv.modules.php
+++ b/htdocs/core/modules/import/import_csv.modules.php
@@ -994,7 +994,9 @@ class ImportCsv extends ModeleImports
 							if ($sql) {
 								$resql = $this->db->query($sql);
 								if ($resql) {
-									$last_insert_id_array[$tablename] = $this->db->last_insert_id($tablename); // store the last inserted auto_increment id for each table, so that child tables can be inserted with the appropriate id. This must be done just after the INSERT request, else we risk losing the id (because another sql query will be issued somewhere in Dolibarr).
+									if (!$is_table_category_link) {
+										$last_insert_id_array[$tablename] = $this->db->last_insert_id($tablename); // store the last inserted auto_increment id for each table, so that child tables can be inserted with the appropriate id. This must be done just after the INSERT request, else we risk losing the id (because another sql query will be issued somewhere in Dolibarr).
+									}
 									$insertdone = true;
 								} else {
 									//print 'E';
diff --git a/htdocs/core/modules/import/import_xlsx.modules.php b/htdocs/core/modules/import/import_xlsx.modules.php
index 35adc4476a0..0e63ea77075 100644
--- a/htdocs/core/modules/import/import_xlsx.modules.php
+++ b/htdocs/core/modules/import/import_xlsx.modules.php
@@ -1041,7 +1041,9 @@ class ImportXlsx extends ModeleImports
 							if ($sql) {
 								$resql = $this->db->query($sql);
 								if ($resql) {
-									$last_insert_id_array[$tablename] = $this->db->last_insert_id($tablename); // store the last inserted auto_increment id for each table, so that child tables can be inserted with the appropriate id. This must be done just after the INSERT request, else we risk losing the id (because another sql query will be issued somewhere in Dolibarr).
+									if (!$is_table_category_link) {
+										$last_insert_id_array[$tablename] = $this->db->last_insert_id($tablename); // store the last inserted auto_increment id for each table, so that child tables can be inserted with the appropriate id. This must be done just after the INSERT request, else we risk losing the id (because another sql query will be issued somewhere in Dolibarr).
+									}
 									$insertdone = true;
 								} else {
 									//print 'E';