diff --git a/htdocs/install/mysql/migration/3.5.0-3.6.0.sql b/htdocs/install/mysql/migration/3.5.0-3.6.0.sql
index 7cccaa7b00a0e2ee092f2354b4092678c515d146..f4945b0c30f846da7c8ed4616a6475276e99f567 100644
--- a/htdocs/install/mysql/migration/3.5.0-3.6.0.sql
+++ b/htdocs/install/mysql/migration/3.5.0-3.6.0.sql
@@ -1190,7 +1190,7 @@ ALTER TABLE llx_element_resources ADD INDEX idx_element_element_element_id (elem
 
 create table llx_c_type_resource
 (
-  rowid      	integer     PRIMARY KEY,
+  rowid      	integer  AUTO_INCREMENT PRIMARY KEY,
   code          varchar(32) NOT NULL,
   label 	    varchar(64)	NOT NULL,
   active  	    tinyint DEFAULT 1  NOT NULL